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DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Drill-hole and surface-section data, Fort Union Formation, Bull Mountain coal field, south-central Montana--209 records as entered in the National Coal Resources Data System by Carol Waite Connor and Laura R.H. Biewick Open-File Report 89-6 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature Denver, Colorado 1989

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  • DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY

    Drill-hole and surface-section data, Fort Union Formation,Bull Mountain coal field, south-central Montana--209 records

    as entered in the National Coal Resources Data System

    by

    Carol Waite Connorand

    Laura R.H. Biewick

    Open-File Report 89-6

    This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature

    Denver, Colorado1989

  • INTRODUCTION

    This report contains the drill-hole and surface-section data that formed the basis of Coal Investigations Maps C-126-A (Connor, 1988) and C- 126-B (Connor, in press). Those maps describe the Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, of the Bull Mountain coal field, south-central Montana. This report provides additional data: for localities not included on the cross sections in C-126-A, and for intervals to 800 feet above and 600 feet below the Mammoth coal interval described in C-126-A and C-126-B. Connor has correlated most coal beds, and they are identified here by name. Drill-hole logs (other than simple coal/rock logs) are Connor's interpretations of company logs, not company interpretations.

    The location of the Bull Mountain coal field is shown on figure 1 and a stratigraphic column of the field is shown on figure 2. Locations of drill holes and surface sections are shown on figure 3. Maps C-126-A and C-126-B should be referred to for a larger, more easily readable locality map on a topographic base (1:50,000), for background information on the Bull Mountain coal field, and for detailed information on the Mammoth coal bed.

    These computer printouts are of data Connor submitted to, and which are stored in, the National Coal Resources Data System (NCRDS) at the U.S. Geological Survey, Reston, VA 22092 and Denver, CO 80225. A list of NCRDS terms and codes (only those used in this report) that are not self- explanatory is given below.

  • NCRDS TERMS AND CODES

    DATE: (When I submitted data to NCRDS)

    ELVPREC (elevation precision):1 estimated from topographic map + 10 ft2 " " " " ± 20 ft3 " " " " ± 50 ft

    DESCRIPTION LOG:

    Outcrop101 roadcut102 outcrop104 surface mine

    Log201 core202 drill hole 206 geophysical 225 rotary and core230 multiple (See COMMENT 1 for list, then look for downhole

    changes in log type in COMMENT 2 column)231 combination (See COMMENT 1 for list of combination of logs

    used for entire hole)

    UNIT QUAL (unit qualifier)

    A analysis run on sampleC coal thickness for resource calculation (different from posted

    thickness) is given in COMMENT 2 columnD interbedded lithologies are listed in COMMENT 2 column E elevation of unit (base or top is indicated) is given in

    COMMENT 2 columnI thickness given is known to be incomplete L change in log type is indicated in COMMENT 2 column 0 no thickness measurement available, but bed is or was present U uncertain bed name X extrapolated thickness, not to be used for coal resource

    calculation, but may be useful for control of isopach orstructure contour

  • ACKNOWLEDGMENTS

    We thank the following for making drill-hole logs available for interpretation: the Burlington Northern Railroad, the Meridian Land and Mineral Company, the Louisiana Land and Exploration Company, The Consolidation Coal Company, and the Montana Bureau of Mines and Geology.

    REFERENCES

    Connor, C. W., 1988, Maps showing outcrop, structure contours, crosssections, and isopachs of partings--Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana: U.S. Geological Survey Coal Investigations Map C-126-A, 4 maps (1:50,000), 9 cross sections, 5 figures, text.

    Connor, C.W., in press, Maps showing coal-split boundaries and isopachs of coal splits, and tables showing coal resources and coal quality--Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana: U.S. Geological Survey Coal Investigations Map C-126-B, 8 maps (1:50,000), 4 tables, 3 figures, text.

    Woolsey, L.H., Richards, R.W., and Lupton, C.T., 1917, The Bull Mountain coal field, Musselshell and Yellowstone Counties, Montana: U.S. Geological Survey Bulletin 647, 218 p.

  • 48°-

    46 C

    CANADA

    WILLISTON

    BASIN

    Bull Mountain coal fieldRoundup

    Area of Mammoth coal bed

    o Miles City

    POWDER

    RIVER

    BASIN

    MONTANA WYOMING

    TOO KILOMETERS

    Figure 1.--Location of Bull Mountain coal field, Montana. Basin boundaries are drawn at the Cretaceous (K) -Tertiary (T) contact.

  • gure 2

    .- -Stratigraphic colum

    n, Bu

    ll Mounta

    in coa

    l fiel

    d, show

    ing coa

    beds.

    Interval

    encompassed

    by dri

    ll hole

    s and

    surfac

    e section

    s

    bracketed.

    TE

    RT

    IAR

    Y (

    part

    )

    Pa

    leo

    cen

    e (

    pan)

    Fo

    rt U

    nio

    n F

    orm

    atio

    n (

    part

    )

    Lebo

    Shale

    Member

    (parr)

    Tongue R

    iver

    Me

    mb

    er

    (part

    )

    3,

    -j,

    C?

    ?-?

    q ^

    5'

    "a

    a-

    3J-

    f \

    I r

    r f

    :

    ?O

    P

    O

    P

    ~""

    (u

    O

    ut O

    N

    * O

    *J

    O

    O O

    ujc

    j CJ

    T

    T

    T

    T

    ^

    ,' i

    T

    i i

    -<

    i

    ' i

    i a>

    a>

    01

    ui

    o>

    i tu

    t

    n

    ^j

    -Ji-p

    ui

    Jkiu

    »j

    ^

    VflT

    O

    1 '^

    3

    OO

    1

    *** A

    O^

    ^^ ^

    tOO

    9

    O* 'to

    |

    /*O

    - lU

    f"

    a^O

    ~3'Q

    *?

    {" *

    (f<

    ^ 1

    a>

    ^i

    ^

    O

    ***

    o

    55.

    v

    y

    SY

    ST

    EM

    SE

    RIE

    S FORMATION.

    MEMBER.

    AND

    COAL

    BED

    )

    THICKNESS

    OF

    COAL

    BEDS IN

    FEET THI

    CKNESS

  • C5-

    83D

    EXPLANATION

    Outcrop Drawn on base of Mammoth coal bed

    Quadrangle Identifier Prefix for drill-hole locality and surface locality numbers. For example, the complete locality number for drill-hole US24 in quadrangle A4- (Gage) Is A4-US24. See "Index to Quadrangle Names." These complete numbers are the point Identifiers recorded in NCRDS (National Coal Resources Data System, U.S. Geological Survey, Reston, VA 22092)

    Drill-hole locality Data for all drill-hole localities have been entered In NCRDS

    Drill-hole locality number Combined with quadrangle identifier elsewhere In report to designate complete locality number.

    SourceLocality numberUS1 to US24 1 to 23

    Date 1978, 1979

    C5

    U.S. Geological SurveyBurlington NorthernRailroad. 1975, 1976

    24 to 95 Consolidation CoalCompany. 1970?

    27A-Z to 94A-Z Louisiana Land andExploration Co. 1979, 1981

    Surface locality Data for C. W. Connor outcrop localities characterized as merely "ash" or "bloom" or "weathered coal" have not been entered in NCRDS. All other surface locality data have been entered. Note: B4-C78 and B4 C79 are small strip mines

    Surface locality number Combined with quadrangle iden- tifier elsewhere in report to designate complete locality number.

    SourceLocality number Cl to C59

    B9 to B92

    C. W. Connor field notes.Bulletin 647 (Woolsey and others, 1917). Most localities re- covered and verified by C. W. Connor.

    Date 1978, 1979

    1917

    A3-ROUNOUP

    83- HARPfR COUIEE

    C3- HAY

    BASIN Nf

    A4- GAGf

    B

  • R 25 E R 26 E R 26 E R 27 E

    ?̂ S xr i~»t-'X V" C42£^_>73 ?4 .73A%%M -*~~

    *S> B89 v^,

    BILLINGS 30 Ml

    Figure 3b .- -Locality map, west half.

    7

  • R 27 E R 28 E V DELPHI* 1 HI R 28 E R 29 E

    108 C C7'30"

    Figure 3c.--Locality map, east half,

  • **************************************************************************

    DATA

    PO

    INT

    ID:

    A4-B25

    QUAD

    &

    SERI

    ES:

    GAGE (7.5')

    STATE: MO

    NTAN

    ACO

    UNTY

    : MU

    SSEL

    SHEL

    L

    PROVINCE:

    N GR

    EAT

    PLAINS

    GEOL

    OGIS

    T: US

    GD-C

    ONNO

    R C W

    SOUR

    CE:

    USGS

    BULL 64

    7 (1917)

    SURF

    ACE

    ELEV

    ATIO

    N:

    3764

    .00

    ELVP

    REC:

    1

    TOTAL

    DEPTH

    LOGG

    ED

    : 4.

    00

    DESCRIPTION

    REGI

    ON:

    POWDER RIVER

    LOG

    : 102

    FIEL

    D: BULL MO

    UNTA

    IN

    WEAT

    HERI

    NG:

    0 CO

    MMEN

    T1:

    BASE IS 27 FT AB

    OVE

    MAMM

    OTH

    1 AT A4-C24

    HYDR

    O CD:

    0 FILEPOINTER:

    DATE

    : 83

    0117

    CO

    NFID

    :PRIN MERIDIAN:

    20

    RANK

    : SU

    BBIT

    LOCAL

    STRIKE/DIP/ANGLE:

    LATI

    TUDE

    : 46 22

    36

    LONG

    ITUD

    E: 10

    8 24 44

    LLPR

    EC:

    0

    QUARTERS:

    NE000

    SECT

    ION:

    12.0

    TOWN

    SHIP

    : 7.

    00N

    RANG

    E:

    26.0

    0E

    OWNE

    RSHI

    P:

    UQ NU IA

    UNIT

    TL

    1 U

    2 U

    3 UE

    T H K 3 0 0

    FORMATION

    .00 'F

    ORT

    UNION

    3.00

    ' EL

    :.10'FORT UN

    ION

    3.10

    ' EL:

    .90 'F

    ORT

    UNIO

    N4.00'

    EL:

    BED

    NAME

    MAMM

    OTH

    2+3

    3764

    .0-3

    761.

    0MA

    MMOT

    H 2+3

    3761

    .0-3

    760.

    9MA

    MMOT

    H 2+3

    3760

    .9-3

    760.

    0

    LITH

    LITH

    MOD

    COAL

    WC1:

    WC2:

    BONE

    WC1:

    WC

    2:COAL

    WC1:

    WC

    2:

    COLO

    R GR

    NSIZ

    E GR

    NSHA

    PE MINERALOGY

    COM2:

    COM2:

    COM2:

    E BS 3760

    BEDD

    ING

    KEY:

    KEY:

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    58901

    5890

    2

    5890

    3

  • 10

    ***************************************************

    DATA

    POINT ID:

    A4-C

    24QUAD &

    SERI

    ES:

    GAGE (7

    .5')

    STAT

    E: MO

    NTAN

    ACOUNTY:

    MUSSELSHELL

    PROVINCE:

    N GREAT

    PLAI

    NS

    REGI

    ON:

    POWD

    ER RI

    VER

    FIEL

    D: BU

    LL MO

    UNTA

    IN

    GEOLOGIST: USGD-CONNOR

    C W

    SOURCE:

    CONNOR C W

    SURFACE

    ELEV

    ATIO

    N:

    3733

    .00'

    ELVPREC:

    0 TOTAL

    DEPT

    HLOGGED

    : 3.00

    DESCRIPTION

    LOG

    : 10

    2 WEATHERING:

    0

    DATE

    : 83

    0117

    CONFID:

    PRIN

    MERIDIAN:

    20

    RANK

    : SUBBIT

    LOCA

    L ST

    RIKE

    /DIP

    /ANG

    LE:

    LATI

    TUDE

    : 46

    22

    38

    LONGITUDE: 10

    8 24

    46

    LLPREC:

    0

    QUARTERS:

    NE0

    0 SECTION:

    12.0

    TOWN

    SHIP

    : 7.

    DON

    RANGE:

    26.00E

    COMM

    ENT1

    : SEE

    A4-B

    25HY

    DRO

    UQ NU IAUNIT

    TL

    1 I

    CD:

    0

    T H K FO

    RMAT

    ION

    3.00

    'FOR

    T UN

    ION

    3.00

    ' EL:

    FILEPOINTER:

    BED

    NAME

    MAMMOTH

    13733.0-3730.0

    OWNERSHIP:

    C F

    0 0

    N S

    LITH

    LITHMOD

    COLOR

    GRNSIZE

    GRNSHAPE MINERALOGY

    BEDDING

    T S

    FJC

    COAL

    WC1:

    WC2:

    COM2

    : E

    BS 3

    730

    KEY:

    5888

    3

  • 11

    DATA PO

    INT

    ID:

    A4-C

    30QUAD &

    SERI

    ES:

    GAGE

    (7. 5'

    )

    STAT

    E: MO

    NTAN

    ACO

    UNTY

    : MUSSELSHELL

    PROV

    INCE

    : N

    GREA

    T PL

    AINS

    REGION:

    POWD

    ER RI

    VER

    FIEL

    D: BU

    LL MO

    UNTA

    IN

    COMM

    ENT1

    :HYDRO

    CD:

    0

    RANK

    : SUBBIT

    PRIN

    ME

    RIDI

    AN:

    20

    QUAR

    TERS

    : NW

    FILE

    POIN

    TER:

    *****************************************************

    GEOL

    OGIS

    T: USGD-CONNOR

    C W

    DATE

    : 830113

    CONFID:

    SOURCE:

    CONNOR C

    W SURFACE

    ELEVATION:

    3655

    .00'

    ELVPREC:

    0 TOTAL

    DEPT

    HLOGGED

    : 15.50'

    DESC

    RIPT

    ION

    LOG

    : 102

    LONGITUDE: 10

    8 28 4

    4 RANGE:

    26.00E

    WEAT

    HERI

    NG:

    0 LLPREC:

    0

    OWNE

    RSHI

    P:

    LOCA

    L STRIKE/DIP/ANGLE: 000

    SECTION:

    4.0

    LATITUDE:

    46 23 38

    TOWNSHIP:

    7.00

    N

    UQ

    NU

    IA

    UNIT

    TL

    1 1C

    2 3 4 5 6 7 I

    8 OC

    T H K 0. 12. 0. 0. 0. 1. 0. 0.

    70'

    00'

    70'

    80'

    20'

    FORM

    ATIO

    N

    FORT UN

    ION

    0.70

    'FORT UN

    ION

    12.7

    0'FO

    RT UN

    ION

    13.40'

    FORT

    UN

    ION

    14.20'

    FORT UN

    ION

    14.4

    0'

    EL:

    EL:

    EL:

    EL:

    EL:

    00 'FO

    RT UN

    ION

    10'

    00'

    15.40'

    FORT

    UN

    ION

    15.5

    0'FO

    RT UN

    ION

    15.50'

    EL:

    EL:

    EL:

    BED

    NAME

    MAMMOTH

    33655.0

    -3654.3

    3654

    .3-3

    642.

    3

    3642.3-3641.6

    MAMMOTH

    1+2

    3641

    .6-3

    640.

    8MAMMOTH

    1+2

    3640

    .8-3

    640.

    6MAMMOTH

    1+2

    3640

    .6-3

    639.

    6MAMMOTH

    1+2

    3639.6

    -3639.5

    MAMMOTH

    1+2

    3639.5-3639.5

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    COAL

    : NR

    ; CLST

    : COA

    L: RK

    ; COA

    L: RK

    : COA

    L;

    LITHMOD

    WC2:

    WC2:SL

    TYWC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    COLO

    R GRNSIZE

    GRNS

    HAPE

    MINERALOGY

    COM2

    : WEATH&SLUMPED,C

    26 IN

    COM2

    :

    COM2

    : PLANT

    FRAG

    S

    COM2

    :

    COM2

    :

    COM2

    :

    COM2

    : PR

    OBAB

    LY NO

    T TO BA

    SE OF MAMMOTH

    COM2:

    C 12

    IN

    BEDDING

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    60163

    60164

    F 60165

    60166

    6016

    7

    60168

    60169

    6017

    0

  • 12

    *******************************

    DATA PO

    INT

    ID:

    A4-U

    S24

    QUAD

    &

    SERI

    ES:

    GAGE (7.5')

    STATE: MO

    NTAN

    A

    GEOL

    OGIS

    T: US

    GD-C

    ONNO

    R C W

    SOUR

    CE:

    USGS &

    MONT

    BU

    MINES

    SURF

    ACE

    ELEVATION:

    3825

    .00'

    DATE

    : 830117

    CONF

    ID:

    PRIN ME

    RIDI

    AN:

    20

    RANK

    : SUBBIT

    QUARTERS:

    SECOUNTY:

    MUSS

    ELSH

    ELL

    ELVP

    REC:

    0

    LOCA

    LSTRIKE/DIP/ANGLE:

    00

    0 SE

    CTIO

    N:

    4.0

    TOTAL

    DEPT

    HPROVINCE:

    N GREAT

    PLAINS

    LOGGED

    : 860.00'1

    LATI

    TUDE

    : 46 2

    3 5

    TOWN

    SHIP

    : 7. DON

    DESC

    RIPT

    ION

    UNIT 1 2 3 4 5 6 7 8 9 10 11 12 13

    REGION:

    FIEL

    D:CO

    MMEN

    T 1:

    HYDRO

    CD:

    UQ NU

    TIA

    HTL

    K

    L 133.

    UE

    3. 58.

    E 2. 14. 0.

    L 2. 0. 4.

    POWD

    ER RI

    VER

    BULL MOUNTAIN

    USGS

    &

    MBMG

    0

    FORM

    ATIO

    N

    00 'FO

    RT UNION

    133.

    00'

    00 'FORT UNION

    136.

    00'

    00 'FORT UN

    ION

    194.

    00'

    00 'FORT UNION

    196.

    00'

    00 'FORT UN

    ION

    210.

    00'

    20 'FO

    RT UN

    ION

    210.

    20'

    80 'FORT UNION

    213.

    00'

    40 'FO

    RT UN

    ION

    213.

    40'

    20 'FO

    RT UNION

    217.

    60'

    HOLE

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    0.20

    'FOR

    T UN

    ION

    E 1.

    DL

    0.

    84.

    217.

    80'

    30 'FORT UNION

    219.

    10'

    20 'FORT UN

    ION

    219.

    30'

    00 'FO

    RT UNION

    303.

    30'

    EL:

    EL:

    EL:

    EL:

    79-6

    FILE

    POIN

    TER:

    BED

    NAME

    3825

    .0-3

    692.

    0RO

    CK M

    ESA

    3692

    .0-3

    689.

    0

    3689.0

    -363

    1.0

    MAMM

    OTH

    336

    31.0

    -362

    9.0

    3629

    .0-3

    615.

    0MA

    MMOT

    H 1+

    236

    15.0

    -361

    4.8

    MAMM

    OTH

    1+2

    3614.8

    -361

    2.0

    MAMM

    OTH

    1+2

    3612

    .0-3

    611.

    6MA

    MMOT

    H 1+

    236

    11.6

    -360

    7.4

    MAMM

    OTH

    1+2

    3607

    .4-3

    607.

    2MA

    MMOT

    H 1+2

    3607.2

    -360

    5.9

    3605.9

    -360

    5.7

    3605

    .7-3

    521.

    7

    LOG

    : 23

    0LONGITUDE: 108

    28

    6WE

    ATHE

    RING

    : 0

    LLPR

    EC:

    0RA

    NGE:

    26

    .00E

    OWNERSHIP:

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    RK : COAL

    : RK

    : COAL

    : RK

    : COAL

    : COA

    L: SLST

    : COAL

    : SLS

    T: COAL

    : ss

    : RK

    :

    LITH

    MOD

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:CARB

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    COLOR

    GRNS

    IZE

    GRNS

    HAPE

    COM2

    :

    COM2:

    COM2:

    COM2:

    COM2

    :

    COM2:

    COM2

    :

    COM2:

    COM2

    :

    COM2

    :

    COM2

    :

    COM2:

    COM2

    :

    TOP

    GAMM

    A

    E BS

    3689

    E BS 3629,

    =REH

    DER

    THICKNES ES

    TIMATED

    FROM

    L TOP

    CORE

    E BS 36

    05.9

    D SS SL

    ST,L

    BS CORE

    C 0 NMINERALOGY

    BEDD

    ING

    T

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    LOG

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    F 0 S S FJC

    5888

    4

    5888

    5

    58886

    58887

    58888

    58889

    58890

    5889

    1

    5889

    2

    5889

    3

    5889

    4

    5889

    5

    58896

  • 14 E

    3.00

    'FOR

    T UNION

    POMPEY

    COAL

    306.

    30'

    EL:

    3521

    .7-3

    518.

    7 WC

    1:

    WC2:

    15

    142.00'FORT

    UNION

    RK44

    8.30

    ' EL

    : 35

    18.7

    -337

    6.7

    WC1:

    WC

    2:16

    EU

    3.

    00'F

    ORT

    UNION

    DOUGHERTY

    COAL

    451.30'

    EL:

    3376

    .7-3

    373.

    7 WC

    1:

    WC2:

    17

    408.70'FORT

    UNION

    RK860.00'

    EL:

    3373

    .7-2

    965.

    0 WC

    1:

    WC2:

    COM2

    : E

    BS 3

    518.7

    COM2:

    COM2:

    E BS

    337

    3.7

    COM2

    : GAMMA

    ONLY,NOT IN

    TERP

    KEY:

    5889

    7

    KEY:

    5889

    8

    KEY:

    5889

    9

    KEY:

    5890

    0

    13

  • 14

    ****

    ****

    ****

    ****

    ****

    **DA

    TA P

    OINT

    ID:

    B4-C15

    QUAD

    & S

    ERIES: SIGNAL MOUNTAIN (7.5')

    STAT

    E: MONTANA

    GEOLOGIST: US

    GD-C

    ONNO

    R C W

    SOURCE:

    CONN

    OR C W

    SURFACE

    ELEVATION:

    4080.00'

    RANK

    : SUBBITDAT

    E: 82

    0817

    CO

    NFID

    :PRIN ME

    RIDI

    AN:

    20

    QUAR

    TERS

    :

    *********

    SW

    UNIT 1 2 3 4 5 6 7 8 9 10 11 E

    12 13

    COUN

    TY:

    MUSSELSHELL

    PROV

    INCE

    : N

    GREA

    T PL

    AINS

    REGI

    ON:

    POWD

    ER RI

    VER

    FIEL

    D: BU

    LL MO

    UNTA

    INCO

    MMEN

    T1:

    CONTINUES

    BELO

    WHY

    DRO

    CD:

    0

    UQ NU

    TIA

    HTL

    K FO

    RMAT

    ION

    10.0

    0'FO

    RT UN

    ION

    10.0

    0' EL:

    0.50

    'FO

    RT UNION

    10.5

    0' EL:

    1.60

    'FORT UN

    ION

    12.10' EL:

    0.07

    ' FO

    RT UN

    ION

    12.1

    7' EL:

    0.80

    ' FORT UN

    ION

    12.9

    7' EL

    :0.20'FORT

    UNIO

    N13.17' EL

    :4. 20 'F

    ORT

    UNIO

    N17

    .37'

    EL

    :0.

    20'F

    ORT

    UNIO

    N17

    .57'

    EL:

    2. 20 'F

    ORT

    UNIO

    N19

    .77'

    EL

    :0.20'FORT

    UNIO

    N19

    .97'

    EL:

    0.10'FORT

    UNIO

    N20

    .07'

    EL:

    0.20

    ' FORT UN

    ION

    20.2

    7' EL

    :9.00'FORT

    UNIO

    N29

    .27'

    EL:

    AT C4

    -C1

    FILE

    POIN

    TER:

    BED

    NAME

    4080

    .0-4

    070.

    0

    4070

    .0-4

    069.

    5MAMMOTH

    1+2

    4069

    .5-4

    067.

    9MAMMOTH

    1+2

    4067

    .9-4

    067.

    8MAMMOTH

    1+2

    4067

    .8-4

    067.

    0MAMMOTH

    1+2

    4067

    .0-4

    066.

    8MAMMOTH

    1+2

    4066

    .8-4

    062.

    6MAMMOTH

    1+2

    4062

    .6-4

    062.

    4MAMMOTH

    1+2

    4062

    .4-4

    060.

    2MAMMOTH

    1+2

    4060

    .2-4

    060.

    0MAMMOTH

    1+2

    4060

    .0-4

    059.

    9

    4059

    .9-4

    059.

    7

    4059.7-4050.7

    ELVPREC:

    0TO

    TAL

    DEPT

    HLO

    GGED

    :

    55.27'

    DESCRIPTION

    LOG

    : 101

    WEAT

    HERI

    NG:

    0

    LITH

    LITHMOD

    SSWC

    1:

    WC2:

    CLY

    WC1:

    WC

    2:COAL

    WC1:

    WC

    2:RK

    CA

    RBWC1:

    WC2:

    COAL

    WC1:

    WC

    2:RK

    WC1:

    WC

    2:COAL

    WC1:

    WC

    2:RK

    WC1:

    WC

    2:COAL

    WC1:

    WC

    2:RK

    WC1:

    WC2:

    COAL

    WC1:

    WC

    2:CL

    Y ROOT

    WC1:

    WC

    2:COVERED

    WC1:

    WC

    2:

    LOCA

    L STRIKE/DIP/ANGLE:

    0

    LATI

    TUDE

    : 46

    15

    8

    LONG

    ITUD

    E: 10

    8 27 4

    2LL

    PREC

    : 0

    OWNE

    RSHI

    P:

    COLOR

    GRNSIZE

    GRNS

    HAPE

    COM2

    : THICKNESS ESTIMATED,

    COM2

    : WI

    TH COAL ST

    RKS

    COM2

    : TH

    IS COAL COMPLETE ONLY

    COM2

    : HARD

    0 0

    SECTION:

    22.0

    TOWNSHIP:

    6. DON

    RANG

    E:

    26.00E

    C 0 NMINERALOGY

    BEDDING

    T

    TOP

    OF CU

    T KEY:

    KEY:

    IN CENTER OF CUTKEY:

    KEY:

    COM2

    : (C

    ONT.

    FROM U

    NIT

    3) OXIDIZED EL

    SEWH

    ERE

    KEY:

    COM2

    : WI

    TH COAL STRKS

    COM2

    :

    COM2

    : HARD

    COM2

    :

    COM2

    : V

    HARD

    COM2

    : BS

    406

    0

    COM2

    :

    COM2

    : BE

    NCH

    AT BASE

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    F 0 S S FJ

    C

    5793

    5

    57936

    57937

    57938

    57939

    5794

    0

    57941

    5794

    2

    5794

    3

    5794

    4

    57945

    57946

    57947

  • 15

    14

    7.00

    'FOR

    T UNION

    SS

    THN

    36.2

    7' EL:

    4050.7-4043.7

    WC1:

    WC2:

    CO

    M2:

    KEY:

    57948

    15

    1.00

    'FOR

    T UNION

    LS37

    .27'

    EL

    : 4043.7-4042.7

    WC1:

    WC2:

    COM2:

    KEY:

    57949

    16

    11.0

    0'FO

    RT UN

    ION

    SS

    THN

    48.27' EL

    : 4042.7-4031.7

    WC1:

    WC

    2:

    COM2:

    KEY:

    5795

    017

    D

    6.00'FORT

    UNIO

    N SL

    ST54.27' EL

    : 40

    31.7

    -402

    5.7

    WC1:

    WC2:

    COM2:

    D SL

    ST.S

    S KEY:

    57951

    18

    1.00

    'FOR

    T UN

    ION

    LOCA

    L COAL

    55.2

    7' EL

    : 40

    25.7

    -402

    4.7

    WC1:

    WC

    2:

    COM2

    : SE

    CTIO

    N BE

    LOW,

    SEE

    C4-C1,LOCAL

    ABV

    POMPEYKEY:

    5795

    2

  • 16

    ****************************************************************************************

    DATA PO

    INT

    ID:

    B4-C

    66QU

    AD &

    SERIES:

    SIGNAL MOUNTAIN (7

    .5')

    STAT

    E: MO

    NTAN

    ACOUNTY:

    MUSSELSHELL

    PROVINCE:

    N GR

    EAT

    PLAI

    NS

    REGION:

    POWD

    ER RI

    VER

    FIEL

    D: BULL MO

    UNTA

    IN

    COMMENT 1:

    HYDR

    O CD:

    0 FILEPOINTER:

    GEOL

    OGIS

    T: USGD-CONNOR

    C W

    SOUR

    CE:

    CONN

    OR C W

    SURFACE

    ELEV

    ATIO

    N:

    3906

    .00'

    ELVPREC:

    0 TO

    TAL

    DEPT

    HLOGGED

    : 7.00

    DESCRIPTION

    LOG

    : 102

    WEATHERING:

    0

    DATE

    : 82

    0817

    CONFID:

    PRIN MERIDIAN:

    20

    RANK

    : SUBBIT

    QUAR

    TERS

    :NW

    LOCA

    L ST

    RIKE

    /DIP

    /ANG

    LE: 000

    SECT

    ION:

    11.0

    LATI

    TUDE

    : 46 17

    14

    TO

    WNSH

    IP:

    6.DO

    N

    LONGITUDE: 10

    8 26 15

    RANGE:

    26.00E

    LLPR

    EC:

    0

    OWNE

    RSHI

    P:

    UQ NU IAUN

    IT

    TL

    1 2 3 4 5 E

    6 E,

    I

    T H K 2.0

    0'

    0.50

    '

    0 0 3 0

    .10'

    .70'

    FORM

    ATIO

    N

    FORT UNION

    2.00'

    FORT UN

    ION

    2.50'

    FORT UNION

    2.60'

    FORT

    UN

    ION

    3.30

    '

    EL:

    EL:

    EL:

    EL:

    .20 'F

    ORT

    UNION

    .50'

    6.50

    'FO

    RT UNION

    7.00'

    EL:

    EL:

    BED

    NAME

    3906

    .0-3904.0

    3904

    .0-3903.5

    3903

    .5-3

    903.

    4

    3903

    .4-3

    902.

    7MAMMOTH

    33902.7-3899.5

    3899.5-3899.0

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    SS ; SLST

    : COAL

    ; SS

    : COA

    L; SLST

    :

    LITHMOD

    WC2:CA

    RBWC2:

    WC2:CARB

    WC2:

    WC2:CA

    RBWC2:

    COLOR

    GRNSIZE

    GRNS

    HAPE

    MI

    NERA

    LOGY

    COM2

    :

    COM2

    :

    COM2:

    COM2:

    COM2

    : BS 39

    00,

    =REHDER

    COM2

    : BS 3899

    BEDDING

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    5795

    3

    5795

    4

    5795

    5

    57956

    5795

    7

    57958

  • 17

    ***************

    DATA PO

    INT

    ID:

    QUAD

    &

    SERI

    ES:

    STATE:

    COUN

    TY:

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    B4-C78

    SIGNAL MOUNTAIN (7.5')

    GEOLOGIST: USGD-CONNOR

    C W

    DATE:

    8208

    17

    MONT

    ANA

    MUSS

    ELSH

    ELL

    SOUR

    CE:

    CONNOR C

    W SU

    RFAC

    E EL

    EVAT

    ION:

    38

    79.0

    0'EL

    VPRE

    C:

    0 TO

    TAL

    DEPT

    HLO

    GGED

    :

    18.60'

    DESC

    RIPT

    ION

    POWD

    ER RIVER

    LOG

    : 104

    BULL MOUNTAIN

    WEATHERING:

    0 PM MINE,

    ELEV

    IS TO

    P OF ME

    AS IN S

    FACE

    0

    FILEPOINTER:

    PROV

    INCE

    : N

    GREAT

    PLAINS

    REGI

    ON:

    FIELD:

    COMM

    ENT

    1:HYDRO

    CD:

    RANK:

    SUBBIT

    LOCA

    L STRIKE/DIP/ANGLE:

    LATITUDE:

    46 16

    2

    LONG

    ITUD

    E: 108

    25

    4 LL

    PREC

    : 0

    CONF

    ID:

    PRIN ME

    RIDI

    AN:

    20

    QUAR

    TERS

    :SW

    0 SE

    CTIO

    N:

    13.0 .OO

    N

    .OOE

    TOWNSHIP:

    6.

    RANGE:

    26.

    OWNERSHIP:

    UQ NU IA

    UNIT

    TL

    FORMATION

    BED

    NAME

    LITH

    LITH

    MOD

    COLO

    RGR

    NSIZ

    E GR

    NSHA

    PE MI

    NERA

    LOGY

    BE

    DDIN

    G

    C F

    0 0

    N S

    T S

    FJC

    1 I

    5.00

    'FOR

    T UNION

    SS5.

    00'

    EL:

    3879.0-3874.0

    WC1:

    WC

    2:

    COM2:

    2 1.

    00'F

    ORT

    UNION

    CLST

    6.00

    ' EL:

    3874

    .0-3

    873.

    0 WC

    1:

    WC2:

    CO

    M2:

    3 0.

    90'F

    ORT

    UNION

    LOCA

    L COAL

    6.90

    ' EL

    : 38

    73.0

    -387

    2.1

    WC1:

    WC

    2:

    COM2:

    4 E

    3.00

    'FOR

    T UN

    ION

    CLY

    SLTY

    9.90

    ' EL

    : 38

    72.1

    -386

    9.1

    WC1:

    WC

    2:

    COM2

    :5

    0.60'FORT

    UNIO

    N MA

    MMOT

    H 1+2

    COAL

    10.50' EL:

    3869

    .1-3

    868.

    5 WC

    1:

    WC2:

    COM2:

    6 0.

    05'F

    ORT

    UNIO

    N MA

    MMOT

    H 1+

    2 CLST

    10.5

    5' EL:

    3868

    .5-3

    868.

    5 WC

    1:

    WC2:

    CO

    M2:

    7 1.

    00'F

    ORT

    UNION

    MAMM

    OTH

    1+2

    COAL

    11.5

    5' EL

    : 38

    68.5

    -386

    7.5

    WC1:

    WC

    2:

    COM2

    :8

    0.10'FORT

    UNION

    MAMM

    OTH

    1+2

    CLST

    11.65' EL

    : 38

    67.5

    -386

    7.4

    WC1:

    WC2:

    COM2:

    9 3.

    70'F

    ORT

    UNION

    MAMM

    OTH

    1+2

    COAL

    15.3

    5' EL

    : 38

    67.4

    -386

    3.7

    WC1:

    WC

    2:

    COM2

    :10

    0.25'FORT

    UNION

    MAMM

    OTH

    1+2

    CLST

    15.60' EL

    : 3863.7

    -3863.4

    WC1:

    WC

    2:

    COM2:

    11

    2.70

    'FOR

    T UNION

    MAMM

    OTH

    1+2

    COAL

    18.3

    0' EL

    : 38

    63.4

    -3860.7

    WC1:

    WC

    2:

    COM2

    :12 E

    0.30'FORT

    UNION

    MAMM

    OTH

    1+2

    COAL

    SIL

    18.6

    0' EL:

    3860.7-3860.4

    WC1:

    WC

    2:

    COM2

    :

    COUL

    D NO

    T ME

    ASUR

    E,BU

    T CH

    ANNE

    L TYPE

    KEY:

    LAM KE

    Y:

    LOCA

    L,NO

    T REHDER

    ROOT,CARB,BS 3869

    ALTE

    RED

    ASH?

    ALTE

    RED

    ASH?

    ALTE

    RED

    ASH?

    V HA

    RD,

    BS 3860

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    5795

    9

    57960

    57961

    57962

    5796

    3

    5796

    4

    5796

    5

    57966

    57967

    57968

    57969

    5797

    0

  • 18

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    *D

    ATA

    PO

    INT

    ID:

    B4-

    C79

    QUAD &

    SERIES:

    SIGNAL MO

    UNTA

    IN (7

    .5')

    STATE: MONTANA

    COUNTY:

    MUSSELSHELL

    PROV

    INCE

    : N

    GREA

    T PL

    AINS

    REGION:

    POWDER RIVER

    FIEL

    D: BULL MO

    UNTA

    INCO

    MMEN

    T1:

    DIVIDE MI

    NE,

    EAST

    HI

    GHWA

    LLHYDRO

    CD:

    57971

    FILEPOINTER:

    GEOLOGIST: USGD-CONNOR

    C W

    SOURCE:

    CONN

    OR C

    U SURFACE

    ELEVATION:

    4044

    .00'

    ELVP

    REC:

    0

    TOTA

    L DE

    PTH

    LOGGED

    : 79

    .00

    DESCRIPTION

    LOG

    : 104

    WEATHERING:

    0

    DATE

    : 82

    0817

    CONFID:

    PRIN ME

    RIDI

    AN:

    20

    RANK:

    SUBBIT

    LOCAL

    STRI

    KE/D

    IP/A

    NGLE

    :

    LATITUDE:

    46 15

    2

    LONGITUDE: 10

    8 25

    8 LL

    PREC

    : 0

    QUARTERS:

    SW0

    SECT

    ION:

    24.0

    TOWN

    SHIP

    : 6.

    DON

    RANGE:

    26.00E

    OWNERSHIP:

    UQ

    NU

    IA

    UNIT

    TL

    1 2 3 4 5 6 7 8 U

    9 10 11 12 13

    T H K 3 5 1 8 10 0

    .00'

    .00'

    .00'

    .00'

    .00'

    .50'

    11.5

    0'

    1 2 1 12 0 3

    .50'

    .50'

    .00'

    .00'

    .30'

    .00'

    FORM

    ATIO

    N

    FORT UN

    ION

    3.00

    'FORT UNION

    8.00

    'FORT UN

    ION

    9.00'

    FORT UNION

    17.00'

    FORT UN

    ION

    27.0

    0'FORT UNION

    27.5

    0'FO

    RT UN

    ION

    39.0

    0'FO

    RT UN

    ION

    40.5

    0'FORT UN

    ION

    43.0

    0'FORT UN

    ION

    44.0

    0'FO

    RT UN

    ION

    56.0

    0'FORT UNION

    56.3

    0'FORT UN

    ION

    59.3

    0'

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    BED

    NAME

    ROCK M

    ESA

    4044.0-4041.0

    4041.0-4036.0

    4036.0-4035.0

    4035.0-4027.0

    4027.0

    -401

    7.0

    4017.0-4016.5

    4016.5

    -400

    5.0

    MAMMOTH

    34005.0-4003.5

    4003.5

    -400

    1.0

    4001.0

    -400

    0.0

    4000.0

    -398

    8.0

    3988.0-3987.7

    3987

    .7-3

    984.

    7

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    COAL

    ; RK

    ; COAL

    ; ss

    : SLST

    : COAL

    ; SLST

    : COAL

    : CLY

    : COAL

    ; CLS

    T; SH

    ; CLST

    I

    LITHMOD

    WC2:

    WC2:

    WC2:

    WC2:CA

    LCWC2:

    WC2:CA

    LCWC2:

    WC2:ROOT

    WC2:

    WC2:

    WC2:CARB

    WC2:

    WC 2:

    COLOR

    GRNSIZE

    GRNS

    HAPE

    MI

    NERA

    LOGY

    COM2:

    COM2:

    COM2

    :

    COM2

    :

    COM2:

    COM2:

    COM2:

    THN

    BD

    BEDDING

    KEY:

    KEY:

    KEY:

    KEY:

    WVYKEY:

    KEY:

    WVYKE

    Y:

    COM2:

    TREE TRUNKS EX

    TEND

    TO NEXT CO

    AL A

    BOVE

    KEY:

    COM2

    :

    COM2

    : PROB.02

    ASH

    AT. 02

    ABOVE

    BASE

    COM2:

    COM2

    :

    COM2

    :

    KEY:

    KEY:

    LAM K

    EY:

    KEY:

    LAM K

    EY:

    C F

    0 0

    N S

    T S

    FJC

    1743143

    1743144

    1743145

    1743146

    1743147

    1743148

    1743149

    1743150

    1743

    151

    1743152

    1743153

    1743154

    1743155

  • 19

    14 15 16 17 18 19 20 21 22 23 24 25 26 E

    0 7 0 2 0 0 1 0 4 0 2 0 0

    .10'

    .00'

    .80'

    .30'

    .60'

    .05'

    .00'

    .05'

    .40'

    .20'

    .60'

    .25'

    .20'

    FORT

    UN

    ION

    59.4

    0'EL

    :39

    84.7

    -398

    4.6

    WC1

    FORT UNION

    66.4

    0'FO

    RT U

    NION

    67.2

    0'FORT UNION

    69.50'

    FORT UN

    ION

    70.1

    0'FORT UNION

    70.1

    5'FO

    RT UN

    ION

    71.1

    5'FORT UNION

    71.2

    0'FO

    RT U

    NION

    75.6

    0'FORT UNION

    75.8

    0'FO

    RT UN

    ION

    78.4

    0'FORT UNION

    78.6

    5'FORT UNION

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    78.8

    5' EL

    :27

    0.15

    'FORT UNION

    79.0

    0' EL

    :

    3984

    .6-3

    977.

    6LO

    CAL

    3977

    .6-3

    976.

    8

    3976.8-3974.5

    MAMM

    OTH

    1+2

    3974

    .5-3

    973.

    9MA

    MMOT

    H 1+2

    3973

    .9-3

    973.

    9MA

    MMOT

    H 1+2

    3973

    .9-3

    972.

    9MA

    MMOT

    H 1+2

    3972

    .9-3

    972.

    8MA

    MMOT

    H 1+2

    3972.8

    -3968.4

    MAMM

    OTH

    1+2

    3968.4

    -3968.2

    MAMM

    OTH

    1+2

    3968

    .2-3

    965.

    6MA

    MMOT

    H 1+

    23965.6-3965.4

    MAMM

    OTH

    1+2

    3965.4-3965.2

    3965

    .2-3

    965.

    0

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    SH ; CLST

    ; COAL

    : SLST

    : COA

    L: CLST

    ; COAL

    ; CLST

    ; COAL

    ; ss

    ; COA

    L; COAL

    ; COAL

    : CLY

    *

    CARS

    WC2:

    WC2:

    WC2:RO

    OTWC

    2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:CA

    RBWC

    2:

    WC2:SIL

    WC2:

    WC2:

    WC2:

    COM2:

    COM2

    : =S

    S CH

    ANNE

    L TO S

    COM2

    : LOCAL, NOT RENDER

    COM2

    :

    COM2:

    COM2

    : ALTERED

    ASH?

    COM2

    :

    COM2:

    ALTERED

    ASH?

    COM2

    :

    COM2

    : HA

    RD

    COM2

    :

    COM2:

    V HA

    RD

    COM2:

    BS 3965

    COM2:

    KEY:

    LAM K

    EY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    1743

    156

    1743

    157

    1743

    158

    1743

    159

    1743

    160

    1743

    161

    1743

    162

    1743

    163

    1743

    164

    1743

    165

    1743

    166

    1743167

    1743

    168

    1743

    169

  • 20

    *********************************************^

    DATA PO

    INT

    ID:

    B4-US1

    QUAD

    &

    SERI

    ES:

    SIGN

    AL MOUNTAIN (7.5')

    GEOL

    OGIS

    T: US

    GD-C

    ONNO

    R C W

    SOUR

    CE:

    USGS

    &MON

    T BUR

    MINES

    SURF

    ACE

    ELEVATION:

    4075

    .00'

    RANK:

    SUBB

    ITEL

    VPRE

    C:

    0 LOCAL

    STRIKE/DIP/ANGLE:

    0 TOTAL

    DEPTH

    LOGGED

    : 80

    0.00

    ' LATITUDE:

    46 15

    27

    DESC

    RIPT

    ION

    REGI

    ON:

    POWDER RI

    VER

    LOG

    : 231

    LONGITUDE: 10

    8 26 46

    FIEL

    D: BULL MOUNTAIN

    WEATHERING:

    0 LL

    PREC

    : 0

    COMM

    ENT1

    : US

    GS &

    MBMG HOLE 79-2:

    GLOG,

    RESI

    STIV

    ITY

    HYDR

    O CD

    : 0

    FILE

    POIN

    TER:

    OW

    NERS

    HIP:

    STATE: MO

    NTAN

    ACO

    UNTY

    : MU

    SSEL

    SHEL

    L

    PROV

    INCE

    : N

    GREAT

    PLAINS

    DATE:

    820817

    CONF

    ID:

    PRIN

    ME

    RIDI

    AN:

    20

    QUAR

    TERS

    : NE

    0 0

    SECTION:

    22.0

    TOWNSHIP:

    6.00N

    RANGE:

    26.00E

    UQ NU IAUNIT

    TL

    1 2 E

    3 4 5 6 E

    7

    T H K 26. 4.

    FORM

    ATIO

    NBE

    D NAME

    00 'FORT UNION

    00'

    44.00'

    7. 0. 2.

    716.

    50'

    26.00'

    FORT UN

    ION

    30.0

    0'FORT UN

    ION

    74.00'

    FORT UNION

    81.50'

    EL:

    EL:

    EL:

    EL:

    50 'FORT UN

    ION

    GO-

    OD'

    82.00'

    FORT UNION

    84.0

    0'FORT UN

    ION

    800.

    00'

    EL:

    EL:

    EL:

    4075.0-4049.0

    MAMM

    OTH

    340

    49.0

    -404

    5.0

    4045

    .0-4

    001.

    0MA

    MMOT

    H 1+2

    4001

    .0-3

    993.

    5MA

    MMOT

    H 1+2

    3993

    .5-3

    993.

    0MA

    MMOT

    H 1+2

    3993

    .0-3

    991.

    0

    3991.0-3275.0

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    RK ; COAL

    : RK

    ; COA

    L: RK

    : COAL

    : RK

    :

    LITH

    MOO

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    COLOR

    GRNS

    IZE

    GRNS

    HAPE

    MI

    NERA

    LOGY

    COM2:

    COM2

    : BS

    4045,=REHDER

    COM2:

    COM2:

    COM2:

    COM2

    : BS 3991

    COM2:

    LOG

    POOR,

    CUTTINGS ON

    LY BOTTOM 30

    0

    BEDD

    ING

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    FT.

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    57995

    57996

    5799

    7

    5799

    8

    57999

    5800

    0

    58001

  • 21

    DATA PO

    INT

    ID:

    QUAD &

    SERI

    ES:

    STAT

    E:

    COUNTY:

    ****

    ****

    B4-US2

    SIGN

    AL MO

    UNTA

    IN (7.5')

    MONTANA

    MUSSELSHELL

    PROV

    INCE

    : N

    GREA

    T PL

    AINS

    REGION:

    POWDER RIVER

    FIEL

    D: BU

    LL MO

    UNTA

    INCO

    MMEN

    T1:

    USGS &

    MBMG HOLE 79

    -4C:GL

    OG,R

    ESHYDRO

    CD:

    0 FI

    LEPO

    INTE

    R:

    GEOLOGIST: USGD-CONNOR

    C W

    SOUR

    CE:

    USGS&MONT

    BUR

    MINES

    SURFACE

    ELEV

    ATIO

    N:

    3942

    .00'

    RA

    NK:

    SUBBIT

    ELVP

    REC:

    0

    TOTA

    L DE

    PTH

    LOGGED

    : 30

    0.00

    DE

    SCRI

    PTIO

    NLO

    G :

    231

    LONGITUDE: 10

    8 24 57

    WEAT

    HERI

    NG:

    0 LLPREC:

    0 ,DENS,SP

    OWNE

    RSHI

    P:

    DATE:

    8208

    17

    CONF

    ID:

    PRIN ME

    RIDI

    AN:

    20

    QUAR

    TERS

    : LOCAL

    STRI

    KE/D

    IP/A

    NGLE

    : 000

    SECT

    ION:

    24

    .

    LATI

    TUDE

    : 46

    15 37

    TO

    WNSH

    IP:

    6.

    RANG

    E:

    26.

    NW0 OO

    N

    00E

    UQ NU IAUN

    IT

    TL

    1 2 E

    3 4 U,

    E

    5 6 U,

    E

    7

    T H K 30. 8. 84. 2.

    145. 4. 27.

    FORM

    ATIO

    NBED

    NAME

    00 'FORT UN

    ION

    00 00 00 00 00 00

    30.0

    0' EL

    :'FORT

    UNIO

    N38

    .00'

    EL

    :'FORT

    UNIO

    N12

    2.00

    ' EL:

    'FORT

    UNIO

    N12

    4.00

    ' EL:

    'FORT

    UNIO

    N26

    9.00

    ' EL:

    'FORT

    UNIO

    N27

    3.00

    ' EL

    : FORT

    UNIO

    N30

    0.00

    ' EL

    :

    3942.0-3912.0

    WC1

    MAMMOTH

    1+2

    3912

    .0-3

    904

    3904

    .0-3

    820

    POMP

    EY38

    20.0

    -381

    8

    3818

    .0-3

    673

    DOUG

    HERT

    Y3673.0-3669

    3669.0-3642

    .0 .0 .0 .0 .0 .0

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    RK ; COAL

    ; RK

    : COAL

    : RK

    ; COAL

    ; RK

    ;

    LITHMOD

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    COLO

    R GRNSIZE

    COM2:

    COM2:

    BS 3904

    COM2

    :

    COM2:

    BS 3818

    COM2:

    COM2

    : BS

    36

    69

    COM2

    :

    GRNS

    HAPE

    MINERALOGY

    BEDDING

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    58002

    58003

    58004

    5800

    5

    5800

    6

    58007

    58008

  • 22

    ****

    ****

    ****

    ****

    ***

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    *************************************

    DATA P

    OINT ID:

    B4-US3

    QUAD &

    SERIES

    GEOLOGIST: US

    GD-C

    ONNO

    R C W

    DATE

    : 82

    0817

    SIGNAL MO

    UNTA

    IN (7.5')

    STATE:

    COUN

    TY:

    MONTANA

    MUSS

    ELSH

    ELL

    SOUR

    CE:

    USGS

    &MON

    T BU

    R MI

    NES

    SURFACE

    ELEV

    ATIO

    N:

    4030.00'

    RANK

    : SUBBIT

    ELVP

    REC:

    0

    TOTAL

    DEPTH

    LOGGED

    DESCRIPTION

    POWDER RIVER

    LOG

    : 23

    0 BU

    LL MO

    UNTA

    IN

    WEATHERING:

    0 USGS &

    MBMG

    HO

    LE 79

    -3C:

    GEOP

    HYS,

    CORE

    0

    FILEPOINTER:

    PROV

    INCE

    : N

    GREA

    T PL

    AINS

    REGI

    ON:

    FIELD:

    COMMENT1:

    HYDR

    O CD

    :

    LOCA

    L ST

    RIKE

    /DIP

    /ANG

    LE:

    0 0

    400.00'

    LATITUDE:

    46 16 4

    0

    LONG

    ITUD

    E: 10

    8 24 16

    LLPREC:

    0

    CONFID:

    PRIN MERIDIAN:

    20

    QUARTERS:

    0 SE

    CTIO

    N:

    12.0

    SE

    TOWNSHIP:

    6.DO

    N

    RANGE:

    26.00E

    OWNERSHIP:

    UQ

    NU

    IA

    UNIT

    TL

    1 2 U,

    E

    3 4 E

    5 6 L

    7 8 9 10 11 12 13

    T H K

    150. 2. 40. 4. 26. 4. 1. 0.

    00'

    00'

    00'

    00'

    20'

    50'

    30'

    90'

    6.10

    '

    0. 2. 0. 0.

    10'

    00'

    FORM

    ATIO

    N

    FORT UN

    ION

    150.

    00'

    FORT UN

    ION

    152.

    00'

    FORT UN

    ION

    192.

    00'

    FORT

    UNION

    196.

    00'

    FORT UN

    ION

    222.20'

    FORT UN

    ION

    226.70'

    FORT UN

    ION

    228.00'

    FORT

    UN

    ION

    228.90'

    FORT

    UNION

    235.

    00'

    FORT UN

    ION

    235.

    10'

    FORT UN

    ION

    237.

    10'

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    20 'FORT UNION

    50'

    237.

    30'

    FORT UNION

    237.80'

    EL:

    EL:

    BED

    NAME

    4030.0-3880.0

    ROCK

    ME

    SA38

    80.0

    -387

    8.0

    3878

    .0-3

    838.

    0MAMMOTH

    33838.0-3834.0

    3834

    .0-3

    807.

    8

    3807

    .8-3

    803.

    3

    3803.3-3802.0

    3802.0-3801.1

    MAMMOTH

    1+2

    3801

    .1-3

    795.

    0MAMMOTH

    1+2

    3795

    .0-3

    794.

    9MAMMOTH

    1+2

    3794.9-3792.9

    MAMMOTH

    1+2

    3792

    .9-3

    792.

    7MAMMOTH 1+2

    3792

    .7-3

    792.

    2

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    RK : COAL

    : RK

    : COAL

    : RK

    : SS

    : SLS

    T: CLST

    : COAL

    : BN

    : COAL

    : SS

    : COA

    L:

    LITHMOD

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:SL

    TYWC

    2:

    WC2:

    WC2:

    WC2:

    COLO

    R GRNSIZE

    GRNSHAPE MINERALOGY

    COM2:

    COM2:

    BS 38

    78

    COM2

    :

    COM2:

    BS 38

    34,=

    REHD

    ER

    COM2

    :VF-F

    COM2:

    L TOP

    CORE

    COM2:

    COM2:

    COM2:

    COM2

    :

    COM2

    :VF-F

    COM2

    :

    COM2:

    BEDDING

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    5800

    9

    5801

    0

    5801

    1

    5801

    2

    58013

    5801

    4

    5801

    5

    58016

    5801

    7

    5801

    8

    5801

    9

    5802

    0

    58021

  • 23

    14 E

    0.20'FORT

    UNION

    MAMMOTH

    1+2

    238.

    00'

    EL:

    3792

    .2-3

    792.

    015 L

    1.30'FORT

    UNIO

    N23

    9.30

    ' EL

    : 37

    92.0

    -379

    0.7

    16

    92.7

    0'FO

    RT U

    NION

    332.

    00'

    EL:

    3790

    .7-3

    698.

    017 U

    ,E

    2.00

    'FOR

    T UN

    ION

    POMPEY

    334.00'

    EL:

    3698

    .0-3

    696.

    018

    66.00'FORT UNION

    400.00'

    EL:

    3696

    .0-3

    630.

    0

    BNWC1:

    SSWC

    1:RK

    WC1:

    COAL

    WC1:

    RKWC1:

    SLTY

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    COM2:

    BS 3

    792 VF

    -FCOM2:

    L BA

    SE CO

    RE

    COM2:

    COM2:

    BS 3

    696

    COM2:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    5802

    2

    5802

    3

    5802

    4

    5802

    5

    58026

  • 24

    DATA

    QUAD

    POINT

    ID&

    SERIES

    STATE

    COUNTY

    : B4

    -4: SI

    GNAL

    MOUNTAIN

    ****************************************************************************************************

    GEOLOGIST: US

    GD-C

    ONNO

    R C W

    DATE:

    8208

    17

    CONFID:

    (7.5

    ')

    SOUR

    CE:

    BURL

    INGT

    ON

    : MO

    NTAN

    A: MU

    SSEL

    SHEL

    L

    SURF

    ACE

    ELEVATION:

    3846

    .00'

    ELVP

    REC:

    0

    NORTHERN RR

    PR

    IN MERIDIAN:

    RANK

    : SU

    BBIT

    QUARTERS:

    LOCAL

    STRIKE/DIP/ANGLE: 000

    SECT

    ION:

    20

    19.0

    NE

    TOTA

    L DE

    PTH

    PROV

    INCE

    : N

    GREAT

    PLAINS

    LOGG

    ED:

    157.

    30'

    LATI

    TUDE

    : 46 21

    1 TO

    WNSH

    IP:

    7.00N

    DESC

    RIPT

    ION

    UNIT 1 2 3 4 5 6 7 8 9 10 11 12 13

    REGION

    FIEL

    DCO

    MMEN

    T 1

    HYDR

    O CD

    UQ NU

    TIA

    H

    TL

    K 9 0 0 0 7 0 3 2 1 6 0 2 3

    : POWDER RIVER

    : BULL MOUNTAIN

    : BN

    : .00'

    .30'

    .70'

    .30'

    .70'

    .20'

    .80'

    .00'

    .00'

    .00'

    .30'

    .70'

    .00'

    7271

    9-1

    DRILLERS

    0

    FORM

    ATIO

    N

    FORT

    UNION

    9.00'

    FORT UN

    ION

    9.30'

    FORT UNION

    10.0

    0'FORT UN

    ION

    10.3

    0'FORT UN

    ION

    18.0

    0'FO

    RT UNION

    18.2

    0'FORT UN

    ION

    22.0

    0'FORT UN

    ION

    24.00'

    FORT UN

    ION

    25.00'

    FORT UN

    ION

    31.00'

    FORT UNION

    31.30'

    FORT UN

    ION

    34.00'

    FORT

    UN

    ION

    37.00'

    LOG,

    CO

    RE

    LOG

    : 230

    WEATHERING:

    0

    FILE

    POIN

    TER:

    BED

    NAME

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    EL:

    3846

    3837

    3836

    3836

    3835

    3828

    3827

    3824

    .0-3

    837.

    0

    .0-3

    836.

    7

    .7-3

    836.

    0

    .0-3

    835.

    7

    .7-3

    828.

    0

    .0-3

    827.

    8

    .8-3

    824.

    0

    .0-3

    822.

    0

    3822

    .0-3

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  • 25

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    'FOR

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  • 26

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    24 25 26 27 28 L

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    TAL

    DEPTH

    LOGGED

    : 53

    9.50

    'DESCRIPTION

    LOG

    : 230

    WEAT

    HERI

    NG:

    0

    NORTHERN RR

    RANK

    : SU

    BBIT

    LOCA

    L ST

    RIKE

    /DIP

    /ANG

    LE:

    LATI

    TUDE

    : 46 18 11

    LONGITUDE: 10

    8 24 18

    LLPR

    EC:

    0

    820817

    CONF

    ID:

    PRIN ME

    RIDI

    AN:

    20

    QUAR

    TERS

    :000

    SECT

    ION:

    1.0

    TOWN

    SHIP

    : 6.00N

    RANGE:

    26.0

    0E

    NE

    OWNERSHIP:

    LITH

    LITH

    MOD

    SSWC

    1:

    WC2:

    CLY

    WC1:

    WC2:

    SSWC1:

    WC2:

    CLY

    WC1:

    WC2:

    COAL

    WC1

    : WC2:

    CLY

    WC1:

    WC2:

    COAL

    WC1:

    WC2:

    SH

    SOY

    WC1:

    WC2:

    SSWC1:

    WC2:

    SH

    SDY

    WC1:

    WC2:

    COAL

    WC1

    : WC2:

    SH

    SDY

    WC1:

    WC2:

    SH

    CALC

    WC1:

    WC2:

    C 0 NCO

    LOR

    GRNS

    IZE

    GRNS

    HAPE

    MI

    NERA

    LOGY

    BE

    DDIN

    G T

    COM2

    :

    COM2

    :

    COM2:

    COM2:

    COM2

    :

    COM2

    :

    COM2:

    COM2

    :

    COM2

    :

    COM2:

    COM2:

    POSSIBLE PARTING,

    COM2:

    COM2

    :

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    E BA

    SE 39

    73.8

    KE

    Y:

    KEY:

    KEY:

    F 0 S S FJC

    5810

    4

    58105

    5810

    6

    58107

    58108

    58109

    58110

    5811

    1

    5811

    2

    5811

    3

    5811

    4

    5811

    5

    5811

    6

  • 31

    14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 L

    35 36

    5 1 5 2 7

    .00'

    .00'

    .00-

    .00'

    .00'

    10.00'

    15 3 2 28 2 11

    .00'

    FORT

    UN

    ION

    84.70' EL

    :FO

    RT UN

    ION

    85.7

    0' EL

    :FO

    RT UN

    ION

    90.7

    0' EL

    :FO

    RT UN

    ION

    92.70- EL

    :FO

    RT UNION

    99.7

    0' EL

    :FO

    RT UN

    ION

    109.70'

    EL:

    FORT

    UNION

    124.70'

    EL:

    3955

    .3-3

    950.

    3

    3950.

    3949.

    3944.

    3942.

    3935.

    3925.

    3-3949.3

    3-3944.3

    3-3942.3

    3-39

    35.3

    3-3925.3

    3-3910.3

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    .00 'F

    ORT

    UNIO

    N

    .00'

    .00'

    .00'

    .00'

    1.00'

    5 2 16 20 6 2 14 2 0 0

    .00'

    .00'

    127.70'

    EL:

    FORT UN

    ION

    129.70'

    EL:

    FORT UNION

    157.

    70'

    EL:

    FORT UNION

    159.

    70-

    EL:

    FORT UNION

    170.

    70-

    EL:

    FORT UNION

    171.

    70-

    EL:

    FORT UNION

    176.

    70-

    EL:

    FORT UNION

    178.

    70-

    EL:

    3910.

    3907.

    3905.

    3877.

    3875.

    3864.

    3-3907.3

    3-39

    05.3

    3-3877.3

    3-3875.3

    3-3864.3

    3-3863.3

    3863.3-3858.3

    3858.3-

    3856

    .3

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    .00' FOR

    T UN

    ION

    .00'

    .00'

    .00-

    .00'

    .20-

    194.70-

    EL:

    FORT

    UN

    ION

    214.70'

    EL:

    FORT UN

    ION

    220.

    70-

    EL:

    FORT UN

    ION

    222.

    70-

    EL:

    FORT UN

    ION

    236.

    70-

    EL:

    FORT UN

    ION

    238.

    90-

    EL:

    3856.

    3840.

    3820

    .

    3814

    .

    3812.

    3798.

    3-38

    40.3

    3-3820.3

    3-3814.3

    3-38

    12.3

    3-3798.3

    3-3796.1

    WC1

    WC1

    WC1

    WC1

    WC1

    UC1

    .50' FOR

    T UN

    ION

    .30'

    239.

    40-

    EL:

    FORT UNION

    239.

    70-

    EL:

    3796

    .1-

    3795

    .6UC1

    ROCK

    MESA

    3795

    .6-

    3795

    .3UC1

    SH : SH

    : SS

    : LS

    : SH

    *

    SS : SH

    ; SS

    ; SH

    ; SH

    : SH

    : SH

    ; SH

    ; SH

    : SH

    ; SH

    : SS

    ; SH

    ; SH

    : SH

    ; SH

    : SH

    ; COA

    L:

    SDY

    WC2:CA

    RBWC

    2:

    WC2:

    WC2:SDY

    WC2:

    WC2:SDY

    WC2:

    WC2:CA

    LCWC

    2:SDY

    WC2:CA

    RBWC2:SDY

    WC2:CA

    RBWC

    2:SDY

    WC2:CA

    RBWC

    2:SDY

    WC2:

    WC2:SDY

    WC2:

    WC2:SDY

    WC2:

    WC2:CA

    RBUC

    2:

    WC2:

    COM2:

    COM2:

    COM2:

    COM2

    :

    COM2:

    COM2:

    COM2:

    COM2:

    COM2

    :

    COM2

    :

    COM2:

    COM2:

    COM2:

    COM2:

    COM2:

    COM2

    :

    COM2

    :

    COM2:

    COM2:

    COM2

    :

    COM2:

    L TO

    P CO

    RE

    COM2:

    COM2:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    58117

    58118

    5811

    9

    58120

    58121

    5812

    2

    58123

    5812

    4

    58125

    58126

    58127

    58128

    58129

    58130

    58131

    58132

    58133

    5813

    4

    5813

    5

    5813

    6

    5813

    7

    5813

    8

    58139

  • 32

    37 38 E

    39 L

    40 41 42 43 44 45 L

    46 47 D

    48 49 50 51 52 53 E

    54 D

    55 56 57 58 59

    2 4 1 5 0 12 25 15 8 0 2 3 0 0 2 0 0 1 2 0 2 0 0

    .00'

    .00'

    .00'

    .00'

    .50'

    .50'

    .00'

    .00'

    .10'

    .10-

    .00'

    .00'

    .80'

    .60'

    .90'

    .20-

    .40'

    .90'

    .30'

    .50'

    .10'

    .10'

    .40'

    FORT UN

    ION

    241.70'

    EL:

    FORT

    UN

    ION

    245.70'

    EL:

    FORT

    UN

    ION

    246.70'

    EL:

    FORT UN

    ION

    251.

    70'

    EL:

    FORT UNION

    252.20'

    EL:

    FORT UNION

    264.

    70'

    EL:

    FORT

    UN

    ION

    289.70'

    EL:

    FORT

    UNION

    304.70'

    EL:

    FORT UN

    ION

    312.80'

    EL:

    FORT UNION

    312.90'

    EL:

    FORT UN

    ION

    314.90'

    EL:

    FORT

    UN

    ION

    317.90'

    EL:

    FORT UN

    ION

    318.70'

    EL:

    FORT UN

    ION

    319.30'

    EL:

    FORT UNION

    322.20'

    EL:

    FORT

    UNION

    322.40'

    EL:

    FORT UN

    ION

    322.80'

    EL:

    FORT UNION

    324.70'

    EL:

    FORT

    UNION

    327.00'

    EL:

    FORT UN

    ION

    327.50'

    EL:

    FORT UN

    ION

    329.

    60'

    EL:

    FORT UNION

    329.70'

    EL:

    FORT UNION

    330.10'

    EL:

    ROCK ME

    SA3795.3-3793

    ROCK

    MESA

    3793

    .3-3

    789

    3789

    .3-3

    788

    .3 .3 .3

    3788

    .3-3

    783.

    3

    3783

    .3-3

    782

    3782

    .8-3770

    3770.3-3745

    3745

    .3-3

    730

    3730

    .3-3

    722

    3722

    .2-3722

    3722.1-3720

    3720

    .1-3

    717

    .8 .3 .3 .3 .2 .1 .1 .1

    3717

    .1-3716.3

    3716.3-3715

    MAMMOTH

    33715.7-3712

    MAMMOTH

    337

    12.8

    -371

    2MAMMOTH

    33712.6-3712

    3712

    .2-3

    710

    .7 .8 .6 .2 .3

    3710

    .3-3708.0

    3708

    .0-3

    707

    3707.5-3705

    .5 .4

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    WC1

    UC1

    WC1

    WC1

    UC1

    UC1

    MAMMOTH

    1+2

    3705.4-3705.3

    WC1

    MAMMOTH

    1+2

    3705.3-3704.9

    WC1

    SH : COA

    L: SH

    ; SH

    : COAL

    ; SH

    ; SS

    ; SH

    ; SS

    ; SH

    ; SS

    : NR

    : SH

    : SH

    : COAL

    ; SH

    J

    COAL

    : SH

    : SH

    : SH

    : SH

    ; COAL

    : SH

    :

    CARB

    UC2:

    WC2:

    UC2:SDY

    WC2:

    UC2:SDY

    WC2:

    WC2:SDY

    WC2:

    WC2:CARB

    WC2:

    WC2:

    WC2:CA

    RBWC

    2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:CARB

    WC2:

    WC2:

    WC2:

    WC2:

    COM2:

    COM2:

    E BA

    SE 3789.3

    COM2:

    L BA

    SE CO

    RE

    COM2:

    COM2:

    PART

    OF

    ROCK

    MESA?

    COM2:

    COM2:

    COM2:

    COM2:

    L TOP

    CORE

    COM2:

    COM2:

    D SS

    ,SH

    COM2:

    COM2:

    COM2:

    COM2:

    W-CRUMBLED PYRITE,=REHDER

    COM2:

    =REH

    DER

    COM2:

    U-PY

    RITE

    ,E BA

    SE 37

    12.2

    ,=RE

    HDER

    COM2:

    D SH

    ,SS

    COM2:

    COM2:

    COM2:

    COM2:

    COM2:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    58140

    5814

    1

    58142

    58143

    58144

    5814

    5

    5814

    6

    58147

    5814

    8

    5814

    9

    58150

    5815

    1

    58152

    5815

    3

    5815

    4

    5815

    5

    5815

    6

    5815

    7

    58158

    58159

    58160

    58161

    58162

  • 33

    60

    4.80

    'FOR

    T UNION

    334.90'

    EL:

    61 E

    4.00'FORT

    UNION

    338.90'

    EL:

    62

    2.90'FORT

    UNIO

    N341.80'

    EL:

    63

    0.40'FORT

    UNION

    342.20'

    EL:

    64

    0.10'FORT

    UNIO

    N34

    2.30

    ' EL

    :65

    L

    2.20'FORT

    UNIO

    N344.50'

    EL:

    66 D

    20.00'FORT UN

    ION

    364.50'

    EL:

    67 D

    57

    .00'

    FORT

    UN

    ION

    421.50'

    EL:

    68

    1.50

    'FOR

    T UN

    ION

    423.00'

    EL:

    69 D

    40

    .50'

    FORT

    UN

    ION

    463.50'

    EL:

    70

    1.00

    'FOR

    T UN

    ION

    464.50'

    EL:

    71 D

    13.0

    0'FO

    RT UN

    ION

    477.50'

    EL:

    72

    2.00'FORT

    UNIO

    N479.50'

    EL:

    73 D

    60.0

    0'FO

    RT UN

    ION

    539.

    50'

    EL:

    MAMM

    OTH

    1+2

    3704

    .9-3

    700.

    1MAMMOTH

    1+2

    3700.1-3696.1

    3696.1-3693.2

    3693

    .2-3

    692.

    8

    3692.8-3692.7

    3692.7-3690.5

    3690.5-3670.5

    3670.5-3613.5

    POMPEY

    3613.5-3612.0

    3612.0-3571.5

    3571.5-3570.5

    3570.5-3557.5

    3557.5-3555.5

    3555.5-3495.5

    COAL

    WC1:

    COAL

    WC1:

    SSWC1:

    SHWC1:

    SHWC1:

    SHWC1:

    SHWC1:

    SHWC1:

    COAL

    WC1:

    SHWC1:

    SHWC1:

    SHWC1:

    SHWC1:

    SHWC1:

    WC2:

    WC2:

    UC2:

    WC2:CA

    RBWC2:

    WC2:

    WC2:CALC

    WC2:

    WC2:

    WC2:CALC

    WC2:

    WC2:

    WC2:

    WC2:

    COM2

    : W-SOME PYRITE

    COM2

    : E

    BASE 3696.1

    COM2:

    COM2

    :

    COM2:

    COM2

    : L

    BASE CO

    RE

    COM2

    : D

    SH,SS

    COM2

    : D

    CALC SH

    ,SS

    COM2:

    COM2:

    D SH,SS

    COM2

    :

    COM2

    : D

    SH,SS

    COM2:

    COM2:

    D SH

    ,SS

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    5816

    3

    58164

    5816

    5

    58166

    58167

    58168

    58169

    5817

    0

    58171

    58172

    5817

    3

    5817

    4

    58175

    5817

    6

  • 34

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    DATA POINT

    ID:

    B4-2

    4QU

    AD &

    SERI

    ES:

    SIGNAL MOUNTAIN (7.5')

    GEOLOGIST: USGD-CONNOR

    C W

    SOUR

    CE:

    CONSOLIDATION

    COAL CO

    SU

    RFAC

    E

    DATE

    : 82

    0817

    CO

    NFID

    :PR

    IN MERIDIAN:

    20

    STATE

    COUN

    TY

    PROV

    INCE

    REGI

    ON

    FIEL

    D CO

    MMEN

    T 1

    HYDR

    O CD

    UQ

    NU IAUNIT

    TL

    1 2 E

    3 4 5 6 E

    7 E

    T H K 51 7 86

    3 0 6

    250

    : MO

    NTAN

    A : MU

    SSEL

    SHEL

    L

    : N

    GREAT

    PLAINS

    : POWDER RI

    VER

    : BULL MOUNTAIN

    : CONSOL BM104

    : 0

    .00

    .70

    FORM

    ATIO

    N

    'FOR

    T UN

    ION

    51.00'

    'FORT

    UNION

    58.7

    0'

    EL:

    EL:

    FILEPOINTER:

    BED

    NAME

    3837

    .0-3

    786.

    0RO

    CK ME

    SA3786.0-3778.3

    ELEV

    ATIO

    N:

    3837

    .00'

    RANK:

    SUBB

    IT

    QUARTERS:

    SW

    ELVP

    REC:

    0

    LOCAL

    STRIKE/DIP/ANGLE: 000

    SECTION:

    15.0

    TO

    TAL

    DEPTH

    LOGG

    ED

    : 40

    4.60

    ' LATITUDE:

    46 21 31

    TO

    WNSH

    IP:

    7.00N

    DESC

    RIPT

    ION

    LOG

    : 202

    LONGITUDE: 10

    8 27

    50

    RANGE:

    26.0

    0E

    WEAT

    HERI

    NG:

    0 LL

    PREC

    : 0

    OWNERSHIP:

    WC1

    WC1

    .00 'F

    ORT

    UNION

    .00

    .70

    144.

    70'

    'FORT

    UNIO

    N14

    7.70

    ''FORT

    UNIO

    N14

    8.40

    '

    EL:

    EL:

    EL:

    .20 'F

    ORT

    UNION

    .00

    154.

    60'

    FOR

    T UN

    ION

    404.

    60'

    EL:

    EL:

    3778.3-3692.3

    MAMM

    OTH

    1+2

    3692

    .3-3

    689.

    3MA

    MMOT

    H 1+

    236

    89.3

    -368

    8.6

    MAMM

    OTH

    1+2

    3688

    .6-3

    682.

    4

    3682

    .4-3

    432.

    4

    WC1

    WC1

    WC1

    WC1

    WC1

    LITH

    RK ; COAL

    : RK

    ; COAL

    ; RK

    : COAL

    : RK

    :

    LITH

    MOD

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    WC2:

    COLOR

    GRNS

    IZE

    COM2:

    COM2:

    BS 3

    778

    COM2

    :

    COM2:

    COM2:

    COM2

    : BS

    36

    82

    COM2:

    BS 3

    432

    GRNSHAPE MI

    NERA

    LOGY

    BE

    DDIN

    G

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    KEY:

    C F

    0 0

    N S

    T S

    FJC

    57297

    5729

    8

    5729

    9

    57300

    57301

    5730

    2

    57303

  • 35

    **************************************************<

    it**

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    ****

    DATA

    POIN

    T ID:

    B4-2

    5QUAD &

    SERIES:

    SIGNAL MO

    UNTA

    IN (7.5')

    STATE: MONTANA

    COUNTY:

    MUSSELSHELL

    PROV

    INCE

    : N

    GREA

    T PLAINS

    REGION:

    POWDER RIVER

    FIEL

    D: BU

    LL MO

    UNTA

    IN

    GEOLOGIST: US

    GD-C

    ONNO

    R C

    USOURCE:

    CONSOLIDATION

    COAL CO

    SURFACE

    ELEVATION:

    3823.00

    ELVP

    REC:

    0

    TOTA

    L DE

    PTH

    LOGGED

    : 148.40

    DESCRIPTION

    LOG

    : 202

    WEAT

    HERI

    NG:

    0

    DATE

    : 82

    0817

    CONFID:

    PRIN

    ME

    RIDI

    AN:

    20

    RANK

    : SUBBIT

    LOCAL

    STRI

    KE/D

    IP/A

    NGLE

    :

    LATI

    TUDE

    : 46 21

    36

    LONG

    ITUD

    E: 10

    8 27 4

    4 LLPREC:

    0

    QUAR

    TERS

    : NW

    000

    SECT

    ION:

    15.0

    TOWNSHIP:

    7.00N

    RANGE:

    26.00E

    UNIT 1 2 3 4

    E

    COMMENT

    1HYDR

    O CD

    UQ NU

    TIA