prehistoric archaeological core descriptions · 3 r64c1 not tested - - - alternate location...
TRANSCRIPT
APPENDIX F
Prehistoric Archaeological Core Descriptions
���
Summary of SF-80 Bayshore Prehistoric Archaeological Cores
No. Block Bent No. Date of Coring Core Depth (ft.) Fill Depth (ft.)Buried Soil Depth (ft.)
Comments
1 1 R95C2 9/21/00 0-20 0-13.4 No Artificially filled bay
2 1 R90C1 9/21/00 0-25 0-25+ No Artificially filled bay
3 1 R100* 9/21/00 0-43 0-31 No Artificially filled bay
4 1 L94C1 9/21/00 0-30 0-14.7 No Artificially filled bay
5 2 L82C2 4/25/01 0-45 0-10.1 No Artificially filled bay
6 3 R74* 6/29/99 0-8 0-8+ No Core not recovered or
described
7 3 R72C1 6/28/00 16.1 0-11.8 ~11.8 Artificially filled bay
8 3 R70C2 6/28/00 0-16.4 0-10.8 ~10.8 Artificially filled bay
9 3 R68C2 4/25/01 0-20 0-10.1 ~10.1 Inter-dune soil/marsh
10 3 R66C2 4/25/01 0-20 0-11.1 ~11.1 Inter-dune soil/marsh
11 3 R65C2 4/25/01 0-26 0-18.4 ~18.4 Youngest dunes over marsh
12 3 R64C2 4/25/01 0-20 0-18.4 ~18.4 Soil on youngest dunes
NA
3 R64C1 Not tested - - - Alternate location selected
13 3 L72C2 6/28/00 0-42.6 0-8.8 ~8.8 Peat marsh over bay at 10 ft
14 3 L70C2 7/9/99 0-16 0-3 ~3 Peat marsh over bay at 10 ft.
15 3 L69C2 6/29/99 0-14.7 0-11.5 ~11.5 Youngest dune sand
16 3 L66C2 6/29/99 0-19 0-10 No Peat marsh over bay at 10 ft
17 4 R60C1 4/25/01 0-19 0-1.6 No Truncated dune
18 4 R58C1 4/26/01 0-23 ? ~14.5 Youngest dune sand
19 4 R54* 4/26/01 0-28 0-6 ~6 Youngest dune sand
NA
4 L64C1 Not tested - - - Alternate location selected
20 4 L56* 6/28/00 0-28 0-15.4 ~15.4 Youngest dune sand
21 4 L53C1 1/4/01 0-25 0-10 ~10 Youngest dune sand
22 4 G4-63C1 4/25/01 0-15 0-3.6 ~3.6 Youngest dune sand
23 4 G4-62C1 4/25/01 0-15 0-5 No Truncated dune
24 4 G4-58C1 6/28/00 0-18 0-13.1 ~13.1 Youngest dune sand
25 4 G2a55* 1/4/01 0-30 0-8 ~8 Core not recovered or
described
26 4 G2a52C1 1/4/01 0-25 0-3.6 ~3.6 Youngest dune sand
27 5 R49C1 4/26/01 0-20 0-3.9 ~3.9 Youngest dune sand
28 5 L49C1 4/26/01 0-20 0-3? ~3 Youngest dune sand
29 6 L46L 4/26/01 5-20 0-4.5 ~4.5 Youngest dune sand
30 6 L45L 4/29/01 0-20 0-10.8 ~10.8 Youngest dune sand
31 6 L44L* 4/29/01 0-45 0-12.5 ~12.5 Peat marsh on bay (clam shell)
32 6 L41R 5/01/01 0-20 0-12.8 ~12.8 Inter-dune soil/marsh
33 8 L31* 4/29/01 0-30 0-19 ~19 Peat marsh on older dune
34 8 L28* 4/29/01 0-30 0-12.8 ~12.8 Peat marsh on older dune
35 9 L25* 4/29/01 0-20 0-7.5 ~7.5 Fill on older dune soil
36 9 L23* 4/29/01 0-15 0-10.2 ~10.2 Fill on older dune soil
37 9 L21* 5/01/01 0-15 0-7.9 ~7.9 Fill on older dune soil
38 10 R16* 5/01/01 0-30 0-20.1 ~20.1 Fill on peat over older dune
39 10 R13 * 5/01/01 0-13 0-7 ~7 Fill on older dune soil
* Locations added post-RDTP
��������������������������������������
������������������������������������
CO
RE D
ESC
RIP
TIO
NS
(Lis
ted
by
Blo
ck
s fr
om
no
rth
to
so
uth
) B
loc
k 1
Pro
ject
: SF
-80
Bay
sho
re
Blo
ck N
o. 1
F
oo
tin
g N
um
ber
: L94
C1
Ele
vat
ion
(am
sl):
~9
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: Fil
l o
ver
bay
D
escr
ibed
by
: Lo
ri S
tev
ens
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-58
Ap
10Y
R 5
/3,
bro
wn
, dry
Mas
siv
e, v
ery
fin
e to
fin
e,
gra
nu
lar
~10%
sm
all,
ang
ula
r
Ver
y h
ard
,
dry
Sil
ty
loam
No
ne
A
bru
pt,
smo
oth
So
me
bri
ck a
nd
ch
arco
al n
ear
bo
tto
m o
f la
yer
58-8
2
2Ap
b
2.5Y
7/4
pal
e
yel
low
, dry
Mas
siv
e, v
ery
fin
e, m
ediu
m
gra
nu
lar
~10%
, sm
all,
sub
-an
gu
lar
Har
d, d
ry
Sil
ty
clay
loam
No
ne
A
bru
pt,
smo
oth
Ver
y f
ine
po
wd
ery
sil
ty c
lay
soil
ho
rizo
n. 1
lar
ge
chu
nk
of
bri
ck a
bo
ve
bo
un
dar
y
82-1
03
3Ap
b
5Y
R 5
/6,
yel
low
ish
red
, dry
Mas
siv
e, v
ery
fin
e to
fin
e,
med
ium
gra
nu
lar
~10%
sm
all,
sub
-an
gu
lar
Har
d, d
ry
Cla
y
loam
Ver
y f
ew,
fain
t,
coat
ing
ped
face
s
Cle
ar,
Sm
oo
th
Ver
y r
edd
ish
in
co
lor
103-
208
4Ap
b
10
YR
6/6
bro
wn
ish
yel
low
Mas
siv
e, f
ine,
gra
nu
lar
~10%
sm
all,
sub
-an
gu
lar,
Ver
y h
ard
,
dry
Sil
ty
clay
Ver
y f
ine,
fain
t,
coat
ing
ped
face
s
Ab
rup
t,
smo
oth
Po
ssib
le s
late
at
127
cm p
lus
bit
s o
f b
rick
(fr
om
47-
58 c
m
mat
eria
l tu
rns
san
dy
, sim
ilar
to 5
8-82
cm
ab
ov
e
208-
300
5Ap
b
2.
5Y 5
/2,
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
~10%
sm
all,
sub
-an
gu
lar
Sli
gh
tly
har
d, d
ry
San
d
and
ash
No
ne
Ab
rup
t,
stra
igh
t
Incl
usi
on
s o
f b
urn
t w
oo
d,
bri
ck, b
on
e, c
eram
ic a
nd
def
init
e as
h l
evel
dis
per
sed
thro
ug
ho
ut
the
san
d
300-
354
6Ab
1
2.5Y
5/2
,
gra
yis
h
bro
wn
, dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
~10%
sm
all
Ver
y h
ard
,
dry
Sil
ty
clay
No
ne
Ab
rup
t,
smo
oth
Incl
usi
on
s o
f b
urn
t w
oo
d u
p
to 3
02 c
m, l
oo
ks
lik
e d
ark
mu
d a
nd
ov
erli
es s
and
354-
450
6Ab
2 2.
5Y 5
/4, l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
fin
e, g
ran
ula
r.
0%
Lo
ose
, dry
S
and
N
on
e A
bru
pt,
smo
oth
Org
anic
s at
394
cm
, ora
ng
e
and
bla
ck s
and
gra
ins
��� �����������������������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
450-
600
6Cu
5Y
6/1
, gra
y,
dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
Ex
trem
ely
har
d, d
ry
Cla
yN
on
eE
nd
of
core
Bay
mu
d,
shel
l
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 1
F
oo
tin
g N
um
ber
: R90
C1
Ele
vat
ion
(am
sl):
~9
ft
Max
imu
m C
ore
Dep
th: 8
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: Fil
l o
ver
bay
D
escr
ibed
by
: Lo
ri S
tev
ens
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-88
Ap
10
YR
4/4
, dar
k
yel
low
ish
bro
wn
, dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
0%
Ex
trem
ely
har
d, d
ry
Sil
ty
clay
No
ne
Ab
rup
t S
om
e p
last
er a
nd
gla
ss
frag
men
ts i
n f
irst
10
cm, l
arg
e
bri
ck f
rag
men
t at
61
cm
88-1
05
2Ap
b
10Y
R 4
/1, d
ark
gra
y,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ry
San
d
No
ne
Ab
rup
t,
smo
oth
Dar
k g
ray
san
d w
ith
pla
ster
and
met
al f
rag
. In
dar
k s
and
y
lay
er. S
ewer
pip
e fr
ag. a
t
bo
tto
m o
f la
yer
.
105-
136
3Ap
b
10Y
R 6
/6,
bro
wn
ish
yel
low
, dry
Lay
er
con
sist
s o
f
rub
ble
--
--
Ab
rup
t,
smo
oth
B
rick
at
105
cm a
nd
at
136
cm.
Ru
bb
le c
on
tain
s w
oo
d, b
urn
and
no
t b
urn
t an
d p
last
er
136-
150
4Ap
b
2.5Y
6/3
lig
ht
yel
low
ish
bro
wn
, dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
~10%
, sm
all,
sub
-an
gu
lar
Ver
y h
ard
,
dry
Sil
ty
clay
No
ne
A
bru
pt,
bo
un
dar
y a
t
bo
tto
m o
f
tub
e
Mat
eria
l at
en
d o
f tu
be
loo
ks
lik
e sl
ate.
Ru
sted
tac
k i
ncl
ud
ed
in t
his
sh
ort
lay
er.
150-
204
5Ap
b
5YR
7/1
lig
ht
gra
y,
dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
~10%
sm
all
to
med
ium
, su
b-
ang
ula
r
Ver
y h
ard
,
dry
Sil
ty
clay
loam
No
ne
A
bru
pt,
smo
oth
Th
is l
ayer
co
nsi
sts
of
bri
ck a
nd
ash
204-
228
6Ap
b
5Y 1
/3, b
lack
,
dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
0%
S
lig
htl
y,
dry
Mix
ed
No
ne
Ab
rup
t,
smo
oth
Bu
rnt
lay
er-t
hic
k w
ith
ch
arco
al-
mo
re c
on
soli
dat
ed a
t b
ott
om
of
ho
rizo
n w
her
e m
ater
ial
is a
litt
le l
igh
ter
gra
y
228-
269
7Ap
b
2.5Y
5/3
, lig
ht
oli
ve
bro
wn
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
~10%
sm
all,
sub
-an
gu
lar
Ver
y h
ard
,
dry
Sil
ty
clay
No
ne
A
bru
pt,
smo
oth
Co
nso
lid
ated
org
anic
s fr
om
85-
95 c
m, a
lso
bri
ck f
rag
men
ts a
t
92 c
m
������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
269-
300
8Ab
2.
5Y 5
/4, l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e -
Co
nti
nu
es t
o t
ub
e 3
300-
450
8Cu
-
- -
- -
- -
San
d n
ot
reco
ver
ed i
n f
ield
450-
600
8Cu
-
- -
- -
- -
San
d n
ot
reco
ver
ed i
n f
ield
600-
750
8Cu
2.
5Y 5
/4, l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
S
and
y w
ith
so
me
mu
d a
t 12
6-
131
cm (
po
ssib
le b
uri
ed s
oil
?)
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 1
F
oo
tin
g N
um
ber
: R10
0 (e
ast
sid
e)
Ele
vat
ion
(am
sl):
~9
ft
Max
imu
m C
ore
Dep
th: 1
3 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: Fil
l o
ver
bay
D
escr
ibed
by
: Lo
ri S
tev
ens
and
Jac
k
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-74
Ap
2.
5Y 6
/3, l
igh
t
yel
low
ish
bro
wn
, dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
~20%
sm
all
to
med
ium
, su
b-
ang
ula
r to
su
b-
rou
nd
ed
Sli
gh
tly
har
d, d
ry
Sil
ty
loam
No
ne
Ab
rup
t,
smo
oth
L
ies
up
on
190
6 b
urn
lay
er,
larg
er g
rav
els
nea
r b
ott
om
of
lay
er
74-1
93
Ap
b1
Mo
ttle
d –
see
com
men
ts,
dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
No
ne
Cle
ar,
smo
oth
B
urn
lay
er, c
on
tain
s la
rge
gra
vel
s an
d a
sh (
74-8
9 cm
), d
ark
red
bri
ck (
89-1
00 c
m),
ash
,
con
cret
e, g
lass
(10
0-12
5 cm
),
lig
ht
red
bri
ck (
125-
150
cm),
larg
e g
rav
els
(150
-186
cm
)
193-
270
Ap
b2
2.5Y
5/4
, lig
ht
oli
ve
bro
wn
,
dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
0%
Ver
yh
ard
,
dry
S
and
No
ne
Cle
ar,
smo
oth
Ver
y c
om
pac
ted
san
d l
ayer
wit
h
bak
ed c
lay
(?)
at
con
tact
��� �����������������������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
270-
450
2Ab
2.
5Y 5
/4 t
o
2.5Y
5/6
, lig
ht
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ry
San
d
No
ne
Cle
ar,
smo
oth
N
o o
rgan
ics
450-
610
2Cu
2.
5Y 5
/3, l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ry
San
d
No
ne
Ab
rup
t,
smo
oth
B
ay M
ud
610-
945
3Cg
1 G
ley
1 6
/10Y
gre
enis
h g
ray
,
dry
Mas
siv
e
0%
Ex
trem
ely
har
d, d
ry
San
dy
clay
No
ne
Gra
du
al,
Bay
Mu
d
945-
1050
3Cg
2 G
ley
1 7
/10Y
,
lig
ht
gre
enis
h
gra
y,
dry
Mas
siv
e
0%
Ex
trem
ely
har
d, d
ry
San
dy
clay
No
ne
B
ay M
ud
wit
h c
om
mo
n
carb
on
ized
mar
sh p
lan
t
rem
ain
s; r
adio
carb
on
dat
e o
f
4250
+ 7
0 B
.P.
(Bet
a-18
9257
), o
r
4835
cal
B.P
.
1050
-105
5
4Ob
G
ley
1 7
/10Y
,
lig
ht
gre
enis
h
gra
y,
dry
Mas
siv
e to
fib
rou
s
0%
Fir
m, d
ry
Pea
t N
on
e
Th
in l
ayer
of
pea
t; r
adio
carb
on
dat
e o
f 50
50 +
60
B.P
. (B
eta-
1892
58),
or
5830
cal
B.P
.
1055
-112
7
5Ab
N
eed
co
lor?
Mo
der
ate,
fin
e
gra
nu
lar
0%H
ard
,d
ry
San
dy
clay
F
ew, f
ain
t
coat
ing
gra
ins
W
ell-
dev
elo
ped
bu
ried
so
il i
n
old
er d
un
e R
adio
carb
on
dat
e o
f
5940
+ 1
20 B
.P.
(Bet
a-18
9259
), o
r
6750
cal
B.P
.
1127
-121
9
5B
tbN
eed
co
lor?
Mo
der
ate,
sub
ang
ula
r
blo
cky
0%E
xtr
emel
y
har
d, d
ry
San
dy
clay
Co
mm
on
,
dis
tin
ct,
coat
and
bri
dg
e
gra
ins
En
d o
f
core
Wel
l-d
evel
op
ed s
ub
surf
ace
ho
rizo
n i
n o
lder
du
ne
������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 1
F
oo
tin
g N
um
ber
: R95
C2
Ele
vat
ion
(am
sl):
~9
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: Fil
l o
ver
bay
D
escr
ibed
by
: Lo
ri S
tev
ens
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-17
2
Ap
2.
5Y 4
/2, d
ark
gra
yis
h
bro
wn
, dry
Mas
siv
e, v
ery
fin
e,
gra
nu
lar
C
lear
,
smo
oth
San
dy
fil
l –
bri
ck a
nd
pla
ster
fra
gm
ents
172-
409
2Ap
b
2.5Y
5/3
, lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Fil
l sa
nd
409-
750
3Cg
G
ley
1 6
/10Y
, gre
enis
h
gra
y,
dry
Mas
siv
e, v
ery
fin
e,
gra
nu
lar
0%
E
xtr
emel
y
har
d, d
ry
Cla
y
No
ne
En
d o
f co
re
Bay
mu
d a
nd
pla
nt
rem
ain
s
��� ����������������������������������������������������
Blo
ck
2
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 2
F
oo
tin
g N
um
ber
: L82
(S
E c
orn
er)
Ele
vat
ion
(am
sl):
~12
.5 f
t M
axim
um
Co
re D
epth
: (9
m)
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: Fil
l o
ver
bay
D
escr
ibed
by
: Lo
ri S
tev
ens
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-15
0
Ap
No
t re
cov
ered
in
fie
ld
150-
213
Ap
b
10
YR
5/1
,
gra
y,
dry
Wea
k, v
ery
fin
e
to m
ediu
m,
ang
ula
r b
lock
y
~50%
, sm
all
to
larg
e, s
ub
-
ang
ula
r to
rou
nd
ed
So
ft, d
ry
Cla
y
loam
No
ne
Gra
du
al,
smo
oth
Incl
usi
on
s o
f ch
arco
al, m
ica,
roo
ts, F
e fr
agm
ents
–
bo
un
dar
y c
on
tain
s sh
ell
frag
men
t, p
oss
ible
ro
ad
surf
ace
213-
270
2Ab
2.
5Y 4
/1, d
ark
gra
y,
dry
Wea
k, v
ery
fin
e,
sub
-an
gu
lar
blo
cky
~10%
sm
all,
su
b-
ang
ula
r
Sli
gh
tly
har
d, d
ry
Sil
ty
loam
No
ne
G
rad
ual
,
end
s at
bo
tto
m o
f
tub
e
Incl
usi
on
s o
f b
rick
an
d w
ater
-
wo
rn p
ebb
les,
org
anic
s an
d
char
coal
; wea
k s
oil
fo
rmed
on
fil
l sa
nd
270-
305
3Cu
2.
5Y 6
/3, l
igh
t
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
S
oft
,dry
S
and
N
on
e A
bru
pt,
smo
oth
F
ill
san
d w
ith
pie
ce o
f w
oo
d
at l
ow
er b
ou
nd
ary
315-
914
4Cg
2.
5Y 4
/1 d
ark
gra
y,
dry
Mas
siv
e
0%H
ard
,d
ry
Sil
ty
clay
No
ne
En
d o
f co
re
Bay
an
d m
arsh
dep
osi
ts w
ith
pla
nt
rem
ain
s at
792
-853
cm
�����������������������������������
Blo
ck
3
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: L69
C2
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 4
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-72
Ap
10
YR
6/3
pal
e
bro
wn
, dry
Mas
siv
e, f
ine,
gra
nu
lar
~10%
, sm
all
to
med
ium
, su
b-
ang
ula
r
Ex
trem
ely
har
d, d
ry
Sil
ty c
lay
loam
No
ne
A
bru
pt,
smo
oth
Co
nst
ruct
ion
mat
eria
l
72-8
0
2Ap
b
2.5Y
6/2
lig
ht
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in,
fin
e to
ver
y
coar
se
~50%
, sm
all
to
larg
e, a
ng
ula
r to
sub
-an
gu
lar
Lo
ose
to
som
ewh
at
har
d, d
ry
Sil
ty c
lay
loam
No
ne
A
bru
pt,
smo
oth
Mat
eria
l lo
ok
s li
ke
cher
t an
d m
ort
ar
237-
350
3Ap
b
10
YR
dar
k
gra
yis
h b
row
n,
dry
Mo
der
ate,
fin
e, p
laty
0%
So
ft,d
ryS
and
y
clay
loam
V
ery
fin
e,
fain
t,
coat
ing
po
res
Cle
ar,
smo
oth
Tu
rns
lig
hte
r in
co
lor
at b
ou
nd
ary
350-
442
4Ab
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
fin
e, g
ran
ula
r
0%
Lo
ose
,dry
S
and
N
on
eG
rad
ual
,
smo
oth
In
ter-
du
ne
pea
t
form
ed o
n y
ou
ng
est
du
nes
at
350-
410
cm
410-
442
4Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
fin
e, g
ran
ula
r
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
��� �����������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: L70
(S
E c
orn
er)
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 4
.9 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: D
ina
Co
lem
an
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-55
Ap
M
ult
i-co
lore
d,
dry
M
assi
ve,
fin
e,
gra
nu
lar
~50%
, sm
all
to
med
ium
,
ang
ula
r
Ex
trem
ely
har
d, d
ry
Sil
ty
clay
loam
No
ne
Ab
rup
t,
smo
oth
Co
nst
ruct
ion
mat
eria
l w
ith
rust
ed m
etal
55-6
0
2Ap
b1
M
ult
i-co
lore
d,
dry
Sin
gle
gra
in,
fin
e to
ver
y
coar
se
~75%
, sm
all
to
larg
e, a
ng
ula
r
to s
ub
-an
gu
lar
Lo
ose
to
som
ewh
at
har
d, d
ry
Sil
ty
clay
loam
No
ne
Ab
rup
t,
smo
oth
An
gu
lar
red
gra
vel
lo
ok
s li
ke
cher
t
60-8
0
2Ap
b2
2.5Y
5/2
gra
yis
h
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,
dry
Lo
amy
san
d
N
on
eC
lear
,
smo
oth
So
me
bo
ne,
gla
ss, a
nd
sm
all
met
al f
rag
men
ts
80-9
8
2Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
L
oo
se,
dry
S
and
N
on
e C
lear
,
smo
oth
U
nco
nso
lid
ated
fil
l sa
nd
98-1
05
3Ab
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,d
ryS
and
N
on
e C
lear
,
smo
oth
V
ery
th
in/w
eak
so
il f
orm
ed i
n
yo
un
ges
t d
un
e
105-
135
3Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
L
oo
se,
dry
S
and
N
on
e C
lear
,
smo
oth
U
nco
nso
lid
ated
san
d
135-
146
4Ab
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,d
ryS
and
N
on
e C
lear
,
smo
oth
V
ery
th
in/w
eak
so
il f
orm
ed i
n
yo
un
ges
t d
un
e
146-
184
4Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
L
oo
se,
dry
S
and
N
on
e C
lear
,
smo
oth
U
nco
nso
lid
ated
san
d
184-
200
5Ab
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,d
ryS
and
N
on
e C
lear
,
smo
oth
V
ery
th
in/w
eak
so
il f
orm
ed i
n
yo
un
ges
t d
un
e; a
sin
gle
ro
ot
�������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
200-
271
5Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
L
oo
se,
dry
S
and
N
on
e C
lear
,
smo
oth
U
nco
nso
lid
ated
san
d
271-
280
6Ab
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,d
ryS
and
N
on
e C
lear
,
smo
oth
V
ery
th
in/w
eak
so
il f
orm
ed i
n
yo
un
ges
t d
un
e
280-
295
6Co
x
10Y
R 5
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
L
oo
se,
dry
S
and
N
on
e C
lear
,
smo
oth
C
om
mo
n i
ron
ox
ide
mo
ttle
s
du
e to
per
ched
wat
er
310-
310
7Ab
2.
5Y 4
/3 o
liv
e
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,
dry
Lo
amy
san
d
N
on
eC
lear
,
smo
oth
Few
fin
e in
acti
ve
roo
ts a
nd
iro
n o
xid
e m
ott
les;
th
in/w
eak
soil
fo
rmed
in
yo
un
ges
t d
un
e
310-
332
7Co
x
2.5Y
4/3
oli
ve
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
Sli
gh
tly
har
d,
dry
S
and
No
ne
Cle
ar,
smo
oth
Few
fin
e in
acti
ve
roo
ts;
com
mo
n, d
isp
erse
d i
ron
ox
ide
mo
ttle
s
332-
428
7Cu
2.
5Y 6
/6 o
liv
e
yel
low
, dry
Mas
siv
e to
sin
gle
gra
in
0%
L
oo
seto
slig
htl
y h
ard
,
dry
San
dN
on
eE
nd
of
core
Few
med
ium
in
acti
ve
roo
ts;
few
iro
n o
xid
e m
ott
les
and
a
thin
(<5
cm
) la
yer
of
ang
ula
r
gra
vel
in
lo
wer
15-
cm (
ori
gin
?)
��� ������������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: R70
(S
W c
orn
er)
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 5
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-72
Ap
10
YR
5/3
,
bro
wn
, dry
M
assi
ve,
fin
e ~1
0%,
smal
l to
med
ium
, su
b-
ang
ula
r
Ex
trem
ely
har
d, d
ry
Sil
ty c
lay
loam
No
ne
Ab
rup
t,
smo
oth
Incl
usi
on
s o
f
bri
ck, c
har
coal
72-8
0
2Ap
b
2.5Y
6/2
lig
ht
bro
wn
ish
gra
y,
dry
Sin
gle
gra
in, f
ine
to
ver
y c
oar
se, g
ran
ula
r
to s
ub
-blo
cky
~50%
, sm
all
to
larg
e, a
ng
ula
r to
sub
-an
gu
lar
Lo
ose
to
slig
htl
y h
ard
,
dry
Sil
ty c
lay
loam
No
ne
A
bru
pt,
smo
oth
Lay
er o
f ch
ert
and
mo
rtar
80-3
32
3Cu
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in, f
ine,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e M
issi
ng
5-
10 f
t.
Fil
l sa
nd
332-
390
3Ab
2.
5Y 6
/2 l
igh
t
bro
wn
ish
gra
y,
dry
Sin
gle
gra
in, f
ine,
gra
nu
lar
0%
Lo
ose
to
so
ft,
dry
San
d
N
on
eE
nd
of
core
Inte
r-d
un
e p
eat
form
ed o
n
yo
un
ges
t d
un
es
390-
450
3Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in, f
ine,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: L72
(N
W c
orn
er)
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 1
3 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-82
Ap
10
YR
5/3
bro
wn
, dry
Mas
siv
e, f
ine,
gra
nu
lar
to
gra
nu
lar-
cru
mb
~10%
, sm
all
to
med
ium
, su
b-
ang
ula
r
Ex
trem
ely
har
d, d
ry
Sil
ty
clay
loam
No
ne
Ab
rup
t,
smo
oth
59
-82
cm l
arg
e ch
ert
82-2
68
2Cu
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
,d
ry
San
d
No
ne
Ab
rup
t,
smo
oth
F
ill
san
d w
ith
ora
ng
e
gra
ins
dis
per
sed
wit
h
larg
er a
ng
ula
r cl
ear
qu
artz
gra
ins
�������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
268-
279-
3Ab
2.
5Y 4
/1 d
ark
gra
y,
dry
Sin
gle
gra
in, v
ery
fin
e to
fin
e,
gra
nu
lar
0%
So
ft,d
ry
San
dy
clay
loam
N
on
eA
bru
pt,
smo
oth
R
adio
carb
on
dat
e o
f 15
0 +
40 B
.P.,
or
140
cal
B.P
.
(Bet
a-18
9260
) fr
om
th
in
soil
on
yo
un
ges
t d
un
e
279-
975
3Cu
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
, dry
S
and
C
ore
s b
etw
een
4.7
5 an
d
9.75
no
t re
cov
ered
, bu
t
con
tain
ed s
ame
san
d
975-
1035
4Cu
G
ley
1 6
/10Y
gre
enis
h
gra
y,
dry
Mas
siv
e, f
ine,
gra
nu
lar
0%
E
xtr
emel
y
har
d, d
ry
Sil
ty
clay
Ab
rup
t,
way
B
ay m
ud
1035
-113
5
5A
b2,
5Y 5
/1
gra
y,
dry
Wea
k v
ery
fin
e,
gra
nu
lar
0%E
xtr
emel
y
har
d, d
ry
San
dy
clay
loam
No
ne
Ab
rup
t,
smo
oth
R
adio
carb
on
dat
e o
f 55
30
+ 50
0 B
.P.,
or
6300
cal
B.P
.
(Bet
a-18
9261
) o
n s
oil
form
ed i
n o
lder
du
ne
1135
-126
4
5Btb
10Y
R 4
/4
dar
k
yel
low
ish
bro
wn
, dry
Mo
der
ate,
fin
e
sub
ang
ula
r
blo
cky
0%H
ard
,d
ry
San
dy
clay
loam
C
om
mo
n,
dis
tin
ct,
coas
tin
g a
nd
bri
dg
ing
gra
ins
En
d o
f
core
Su
bsu
rfac
e h
ori
zon
in
old
er d
un
e
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: R72
(S
W c
orn
er)
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 4
.9 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: J
ack
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
Mu
nse
ll
Col
or
Str
uct
ure
Gra
vel
Con
sist
ence
T
extu
re
Cla
y
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-24
4
Ap
10
YR
5/3
bro
wn
, dry
M
assi
ve,
fin
e, g
ran
ula
r
to g
ran
ula
r-cr
um
b
~10%
, sm
all
to
med
ium
, su
b-
ang
ula
r
Ex
trem
ely
har
d, d
ry
Sil
ty c
lay
loam
No
ne
Ab
rup
t,
smo
oth
Mix
ed l
ayer
s o
f
con
stru
ctio
n f
ill
244-
366
2Cu
L
igh
t g
ray
S
ing
le g
rain
, ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e N
A
Fil
l sa
nd
? C
ore
no
t
coll
ecte
d d
ue
to p
oo
r
reco
ver
366-
487
3Ab
? G
ray
S
ing
le g
rain
, ver
y f
ine
to f
ine,
gra
nu
lar
0%
So
ft, d
ry
San
d
No
ne
En
d o
f
core
Yo
un
ges
t d
un
e? C
ore
no
t
coll
ecte
d d
ue
to p
oo
r
reco
ver
��� ������������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: R64
C2
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-11
4
Ap
10
YR
5/3
bro
wn
,
dry
Mas
siv
e, f
ine,
gra
nu
le
~10%
, sm
all
to
med
ium
, su
b-
ang
ula
r
Ex
trem
ely
har
d,
dry
Sil
ty c
lay
loam
No
ne
A
bru
pt,
smo
oth
Incl
usi
on
s o
f ch
arco
al,
bri
ck, g
rav
el, m
ort
ar a
nd
serp
enti
ne
114-
564
2Ap
2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Sin
gle
gra
in,
fin
e, g
ran
ula
r
0%
L
oo
se,
dry
S
and
N
on
e C
lear
,
smo
oth
W
hit
e, b
lack
an
d o
ran
ge
gra
ins
564-
586
3Ab
2.
5Y 4
/2 d
ark
gra
yis
h b
row
n,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
to
slig
htl
y h
ard
,
dry
San
dy
clay
lo
am
No
ne
? S
oil
fo
rmed
in
yo
un
ges
t
du
ne
568-
600
3Cu
2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
to
slig
htl
y h
ard
,
dry
San
dN
on
eE
nd
of
core
Yo
un
ges
t d
un
e
�������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: R65
C2
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 8
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-74
Ap
5Y
R 3
/2d
ark
red
dis
h b
row
n,
dry
M
assi
ve,
ver
y
fin
e g
ran
ula
r
~50%
, lar
ge,
ang
ula
r
Ver
y h
ard
,
dry
Sil
ty c
lay
loam
No
ne
Ab
rup
t,
smo
oth
Incl
usi
on
s o
f b
rick
an
d t
ar
mat
eria
l
74-1
21
2Ap
b
2.5Y
5/2
gra
yis
h
bro
wn
, dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
~10%
, sm
all
to
larg
e, s
ub
-
ang
ula
r
Ver
y h
ard
,
dry
San
dy
clay
loam
No
ne
A
bru
pt,
smo
oth
Incl
usi
on
s o
f la
rge
gra
vel
s, l
arg
e
shel
l fr
agm
ent,
bri
ck a
nd
gla
ss
116-
121
cm a
lmo
st a
ll g
lass
121-
339
3Ap
b
2.5Y
5/4
lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
seS
and
N
on
e G
rad
ual
,
smo
oth
F
ill
san
d
339-
450
3Cu
1 10
YR
4/6
dar
k
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
S
oft
San
d
No
ne
Gra
du
al,
smo
oth
F
ill
san
d
450-
563
3Cu
2 2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
seS
and
N
on
e A
bru
pt,
smo
oth
F
ill
san
d
563-
571
4Ab
2.
5Y 4
/2 d
ark
gra
yis
h b
row
n,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
seS
and
N
on
e G
rad
ual
,
smo
oth
B
uri
ed s
oil
fo
rmed
in
yo
un
ges
t
du
ne
571-
750
4Cu
2.
5Y 5
/4
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%L
oo
seS
and
N
on
e E
nd
of
core
Y
ou
ng
est
du
ne
��� ������������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: R66
C2
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-10
3
Ap
10
YR
4/2
wea
k r
ed t
o 2
.5Y
5/2
gra
yis
h b
row
n, d
ry
Mas
siv
e, v
ery
fin
e,
gra
nu
lar
~50%
Ver
y h
ard
,
dry
Sil
ty c
lay
loam
No
ne
Ab
rup
t,
smo
oth
Incl
usi
on
s o
f ta
r, b
rick
,
bu
rnt
wo
od
, mel
ted
gla
ss
103-
240
2Ap
b
2.5Y
4/3
oli
ve
bro
wn
, dry
S
ing
le g
rain
, fin
e,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
Incl
usi
on
s o
f sh
ell,
lo
ts o
f
bri
ck a
nd
bu
rnt
wo
od
240-
259
3Ap
b
2.5Y
5/6
lig
ht
oli
ve
bro
wn
,
dry
Mas
siv
e, v
ery
fin
e,
gra
nu
lar
~10%
Ex
trem
ely
har
d
Sil
ty c
lay
N
on
e A
bru
pt,
smo
oth
Lay
er o
f b
urn
ed w
oo
d o
n
fill
san
d
259-
339
3Cu
2.
5Y 4
/3 o
liv
e b
row
n, d
ry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
L
oo
seS
and
No
ne
No
ne
Fil
l sa
nd
339-
349
4Ab
2.
5Y 4
/3 o
liv
e b
row
n, d
ry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
S
and
N
on
e N
on
e T
his
/wea
k s
oil
fo
rmed
on
yo
un
ges
t d
un
e
349-
600
4Cu
2.
5y 5
/6 l
igh
t o
liv
e b
row
n
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
S
and
N
on
e E
nd
of
core
Y
ou
ng
est
du
ne
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 3
F
oo
tin
g N
um
ber
: R68
(S
W c
orn
er)
Ele
vat
ion
(am
sl):
~22
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-12
6
Ap
7.
5Y 4
/2 b
row
n, d
ry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
~10-
50%
, sm
all
to
larg
e, a
ng
ula
r to
sub
-an
gu
lar
Har
d t
o
Ex
trem
ely
har
d, d
ry
San
d w
ith
som
e cl
ay
No
ne
In
clu
sio
ns
of
tar,
shel
l, g
lass
an
d
char
coal
126-
244
2Ap
2.
5Y 4
/2 l
igh
t o
liv
e
bro
wn
, dry
Sin
gle
gra
in,
fin
e, g
ran
ula
r
0%
L
oo
se,d
ry
San
d
No
ne
Gra
du
al,
smo
oth
D
un
e
244-
310
2Cu
2.
5Y 4
/2 d
ark
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
seS
and
N
on
e A
bru
pt,
smo
oth
C
har
coal
, po
ssib
le
bo
ne
at 2
44 c
m
�������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
310-
360
3Ab
5Y
6/2
lig
ht
oli
ve
gra
y,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
S
oft
San
d
No
ne
Gra
du
al,
smo
oth
S
oil
fo
rmed
on
yo
un
ges
t d
un
e
360-
450
3Cu
2.
5Y 5
/4 l
igh
t o
liv
e
bro
wn
to
2.5
Y 3
/3
dar
k o
liv
e b
row
n,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
F
irm
San
dy
clay
lo
am
N
on
eG
rad
ual
,
smo
oth
Yo
un
ges
t d
un
e
450-
600
4Cu
2.
5Y 5
/4 l
igh
t o
liv
e
bro
wn
to
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
seS
and
N
on
e E
nd
of
core
Dis
per
sed
, b
edd
ed
org
anic
s at
503
cm
and
52
5-53
0 cm
��� �����������������������������������������������������
Blo
ck
4
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: L53
C1
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 8
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-16
8
Ap
2.
5Y 6
/1 g
ray
,,
dry
Mas
siv
e ~1
0-50
%
So
ft t
o h
ard
,
dry
San
dy
clay
lo
am
No
ne
G
rad
ual
,
smo
oth
Incl
usi
on
s o
f b
rick
, red
ch
ert
frag
men
ts, b
its
of
con
cret
e, c
har
coal
and
ash
168-
300
2Ap
b
2.5Y
5/1
gra
y,
dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
So
ft, d
ry
Sil
t N
on
e C
lear
,
smo
oth
Co
mp
acte
d a
sh, c
har
coal
an
d b
rick
(190
6 fi
re?)
300-
340
3Ab
2.
5Y 5
/2 g
ray
ish
bro
wn
, dry
Sin
gle
gra
in t
o
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Wea
k s
oil
fo
rmed
on
his
tori
c d
un
e
surf
ace
340-
600
3Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
U
nco
nso
lid
ated
du
ne
san
d
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: R54
(N
E c
orn
er)
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 9
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-15
0
Ap
2.
5Y 6
/1 g
ray
,, d
ry
Mas
siv
e ~1
0-50
%
So
ft t
o h
ard
,
dry
San
dy
clay
lo
am
No
ne
G
rad
ual
,
smo
oth
Incl
usi
on
s o
f b
rick
, re
d c
her
t
frag
men
ts, b
its
of
con
cret
e,
char
coal
an
d a
sh
150-
207
2Ap
b
10Y
R 4
/4, d
ark
yel
low
ish
bro
wn
,
dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
V
ery
har
d,
dry
Sil
ty c
lay
loam
No
ne
Ab
rup
t,
smo
oth
Incl
usi
on
s o
f sa
nd
, p
last
er a
nd
bri
ck
������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
207-
237
3Ab
2.
5Y 5
/2 g
ray
ish
bro
wn
, dry
Sin
gle
gra
in t
o
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Wea
k s
oil
fo
rmed
on
his
tori
c d
un
e
surf
ace
237-
900
3Cu
2.
5Y 5
/3 l
igh
t o
liv
e
bro
wn
, dry
Sin
gle
gra
in
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
Un
con
soli
dat
ed d
un
e sa
nd
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: L56
N
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 8
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-16
5
Ap
V
arie
d, m
ixed
M
assi
ve,
fin
e,
gra
nu
lar
~10-
50%
,
smal
l to
lar
ge
Var
ied
V
arie
d,
mix
ed
No
ne
Gra
du
al,
smo
oth
Few
pie
ces
of
char
coal
and
gla
ss
165-
232-
2Ap
b
2.5Y
5/4
lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ry
S
and
N
on
e
Du
ne
349-
398
3Ap
b
2.5Y
lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
~20%
, sm
all,
ang
ula
r
Lo
ose
to
sli
gh
tly
har
d, d
ry
San
d
V
ery
few
,
fain
t,
coat
ing
Cle
ar,
smo
oth
Od
d s
ho
rt g
rav
elly
lay
er, p
oss
ible
bri
ck
incl
usi
on
s
232-
468
3Cu
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ryS
and
N
on
eC
lear
,
smo
oth
His
tori
c d
un
e sa
nd
468-
541
4Ab
2.
5Y 4
/2 d
ark
gra
yis
h b
row
n,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ryS
and
N
on
eC
lear
,
smo
oth
Th
in s
oil
in
up
per
10
cm
541-
585
4Cu
2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
se,
dry
San
d
No
ne
Ab
rup
t,
smo
oth
Y
ou
ng
est
du
ne
585-
700
4Cu
? n
a n
a n
a n
a n
a n
a n
a C
ore
no
t re
cov
ered
700-
760
5Cg
5Y
6/2
lig
ht
oli
ve
gra
y,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Ver
y h
ard
, dry
C
lay
N
on
e A
bru
pt,
smo
oth
Bay
mu
d
��� ������������������������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
760-
810
6Cu
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
San
d
No
ne
Ab
rup
t,
smo
oth
Y
ou
ng
est
du
ne?
810-
817
7Cg
5Y
6/2
lig
ht
oli
ve
gra
y
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Har
d, d
ry
Cla
y
No
ne
En
d o
f
core
Bay
mu
d
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: G58
(N
W c
orn
er)
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 5
.8 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: D
ina
Co
lem
an
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-50
Ap
M
ult
i-co
lore
d, d
ry
Sin
gle
gra
in t
o
mas
siv
e
~50%
, sm
all
to l
arg
e,
ang
ula
r
Lo
ose
, dry
M
ixed
N
on
e A
bru
pt,
smo
oth
Pie
ces
of
bri
ck a
nd
co
ncr
ete
50-8
5
2Ap
b
Mu
lti-
colo
red
, dry
S
ing
le g
rain
, fin
e
to v
ery
co
arse
<10%
, sm
all
to l
arg
e
Lo
ose
, dry
S
ilty
clay
loam
No
ne
A
bru
pt,
smo
oth
His
tori
c su
rfac
e
85-3
95
2Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
Lo
ose
to
so
ft,
dry
San
d
No
ne
Cle
ar,
smo
oth
Un
con
soli
dat
ed f
ill
san
d
395-
399
2C
ox
10Y
R 5
/6
yel
low
ish
bro
wn
,
dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
Lo
ose
to
so
ft,
dry
San
dN
on
eC
lear
,
smo
oth
Co
mm
on
iro
n o
xid
e m
ott
les
du
e to
per
ched
wat
er
399-
406
3Ab
5Y
5/2
oli
ve
gra
y,
dry
Wea
k, m
ediu
m,
pla
ty t
o s
ing
le
gra
in
0%
So
ft t
o l
oo
se,
dry
San
dy
loam
No
ne
C
lear
,
smo
oth
Co
mm
on
fin
e ro
ot
ho
les
wit
h
iro
n o
xid
e co
atin
gs;
ver
y
thin
/wea
k s
oil
fo
rmed
in
yo
un
ges
t d
un
e
406-
426
3Co
x
10Y
R 5
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
S
oft
to
slig
htl
y h
ard
,
dry
San
dN
on
eC
lear
,
smo
oth
Few
fin
e in
acti
ve
roo
ts a
nd
dis
per
sed
iro
n o
xid
e m
ott
les
�������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
426-
448
3Cu
10
YR
6/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
S
lig
htl
y h
ard
to h
ard
, dry
S
and
No
ne
Cle
ar,
smo
oth
Ver
y f
ew f
ine
inac
tiv
e ro
ots
and
dis
per
sed
iro
n o
xid
e
mo
ttle
s
448-
504
4Ab
2.
5Y 6
/2 l
igh
t
yel
low
ish
gra
y,
dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ftto
slig
htl
y h
ard
,
dry
San
dy
loam
No
ne
Cle
ar,
smo
oth
Ver
y t
hin
/wea
k s
oil
fo
rmed
in
yo
un
ges
t d
un
e
504-
509
4Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
Har
d,
dry
San
dy
loam
N
on
eC
lear
,
smo
oth
Sil
t co
atin
g a
nd
bri
dg
ing
gra
ins
509-
531
6Ab
2.
5Y 6
/2 l
igh
t
yel
low
ish
gra
y,
dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,d
ryS
and
No
ne
Cle
ar,
smo
oth
Ver
y t
hin
/wea
k s
oil
fo
rmed
in
yo
un
ges
t d
un
e
531-
541
5Cu
10
YR
5/4
lig
ht
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
sin
gle
gra
in
0%
Lo
ose
,d
ryS
and
No
ne
Cle
ar,
smo
oth
Few
dis
per
sed
iro
n o
xid
e
mo
ttle
s d
ue
to p
erch
ed w
ater
541-
553
5Ab
2.
5Y 4
/1 d
ark
gra
y,
dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%
So
ft,
dry
san
dy
loam
N
on
eC
lear
,
smo
oth
Few
med
ium
in
acti
ve
roo
ts;
wea
k s
oil
fo
rmed
in
yo
un
ges
t
du
ne
553-
560
7Cu
2.
5Y 5
/2 l
igh
t o
liv
e
bro
wn
, dry
Mas
siv
e to
sin
gle
gra
in
0%
Lo
ose
to
so
ft,
dry
San
d
N
on
eE
nd
of
core
Yo
un
ges
t d
un
e
��� ������������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: G4-
63 (
SE
co
rner
)
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 4
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-11
0
Ap
2.
5Y 5
/2 g
ray
ish
bro
wn
, dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
~10
Har
d, d
ry
Sil
ty c
lay
loam
No
ne
A
bru
pt,
smo
oth
Incl
usi
on
s o
f b
rick
, met
al, c
har
coal
,
gla
ss a
nd
ser
pen
tin
e, G
rav
el l
ayer
94-
102
abo
ve
8 cm
. of
mo
re f
ill
110-
275
2Ab
2.
5Y 6
/4 l
igh
t
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
3cm
th
ick
dep
osi
t at
125
cm
wit
h g
ray
gra
ins
and
ox
idiz
ed r
ust
y m
ater
ial,
po
ssib
le b
uri
ed s
oil
275-
450-
2Cu
2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Sin
gle
gra
in,
fin
e, g
ran
ula
r
0%
S
lig
htl
y h
ard
to h
ard
San
dN
on
eE
nd
of
core
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: R58
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-64
Ap
V
arie
d
Mas
siv
e, f
ine,
gra
nu
lar
Var
ied
Var
ied
No
ne
Cle
ar,
Sm
oo
th
L
arg
e g
ray
gra
vel
to
64
cm,
ash
y a
t 64
cm
64-6
00
2Cu
10
YR
5/4
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in, v
ery
fin
e,
gra
nu
lar
L
oo
se, d
ry
San
d
No
ne
En
d o
f co
re
Tru
nca
ted
yo
un
ges
t d
un
e
�������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: G4-
62
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 4
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-15
0
Ap
V
arie
d
Mas
siv
e, f
ine,
gra
nu
lar
V
arie
d
Var
ied
N
on
e A
bru
pt,
smo
oth
Mo
der
n f
ill
150-
450
2Cu
10
YR
5/4
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in, v
ery
fin
e,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
T
run
cate
d y
ou
ng
est
du
ne
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o.
Fo
oti
ng
Nu
mb
er: R
60 (
NW
co
rner
)
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 6
m
Ad
dit
ion
al I
nfo
rmat
ion
:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-50
Ap
V
arie
d
Mas
siv
e, f
ine,
gra
nu
lar
V
arie
d
Var
ied
N
on
e A
bru
pt,
smo
oth
Art
ific
ial
fill
50-6
00
2Cu
2.
5YR
5/4
lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in, v
ery
fin
e,
gra
nu
lar
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
T
run
cate
d y
ou
ng
est
du
ne
��� ������������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 4
F
oo
tin
g N
um
ber
: G2a
52
Ele
vat
ion
(am
sl):
~16
ft
Max
imu
m C
ore
Dep
th: 9
.1 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: J
ack
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-10
6
Ap
2.
5Y 6
/1 g
ray
,,
dry
Mas
siv
e ~1
0-50
%
So
ft t
o h
ard
,
dry
San
dy
clay
loam
No
ne
G
rad
ual
,
smo
oth
Incl
usi
on
s o
f b
rick
, red
ch
ert
frag
men
ts,
bit
s o
f co
ncr
ete,
ch
arco
al a
nd
ash
106-
116
2Ap
b
2.5Y
5/1
gra
y,
dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
So
ft, d
ry
Sil
t N
on
e C
lear
,
smo
oth
Co
mp
acte
d a
sh, c
har
coal
an
d b
rick
(19
06
fire
?)
116-
156
3Ab
2.5Y
5/2
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in t
o
ver
y f
ine,
gra
nu
lar
0%L
oo
se, d
ryS
and
No
ne
Gra
du
al,
smo
oth
Wea
k s
oil
fo
rmed
on
his
tori
c d
un
e
surf
ace
156-
350
3Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in
0%
Lo
ose
, dry
S
and
N
on
e C
lear
,
smo
oth
Un
con
soli
dat
ed d
un
e sa
nd
350-
380
4A
b2.
5Y 5
/2
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in t
o
ver
y f
ine,
gra
nu
lar
0%L
oo
se, d
ryL
oam
y
san
d
No
ne
Gra
du
al,
smo
oth
Few
in
acti
ve
roo
t h
ole
s, r
adio
carb
on
dat
e o
f 36
0 + 4
0 B
.P.,
or
450
cal
B.P
. (B
eta-
1892
63)
fro
m w
eak
so
il f
orm
ed o
n
yo
un
ges
t d
un
e
380-
410
4Co
x10
YR
5/6
yel
low
ish
bro
wn
, dry
Wea
k, f
ine
sub
ang
ula
r
blo
cky
to
sin
gle
gra
in
0%L
oo
seto
soft
, dry
San
dN
on
eC
lear
,
smo
oth
Co
mm
on
iro
n o
xid
e m
ott
les
du
e to
gro
un
d w
ater
410-
502
4Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in
0%
Lo
ose
, dry
S
and
N
on
e C
lear
,
smo
oth
Un
con
soli
dat
ed d
un
e sa
nd
502-
532
5A
b2.
5Y 5
/2
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in t
o
ver
y f
ine,
gra
nu
lar
0%L
oo
se, d
ryL
oam
y
san
d
No
ne
Gra
du
al,
smo
oth
Few
in
acti
ve
roo
t h
ole
s, r
adio
carb
on
dat
e o
f 53
0 +4
0 B
.P.,
or
540
cal
B.P
. (B
eta-
1892
62)
fro
m w
eak
so
il f
orm
ed o
n
yo
un
ges
t d
un
e
532-
910
5Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
Un
con
soli
dat
ed d
un
e sa
nd
�������������������������������������
Blo
ck
5
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 5
F
oo
tin
g N
um
ber
: R49
C1
Ele
vat
ion
(am
sl):
~28
.5 f
t M
axim
um
Co
re D
epth
: 6.1
m
Ad
dit
ion
al I
nfo
rmat
ion
: Nex
t to
Bry
ant
St.
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s an
d J
ack
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-96
Ap
V
arie
d
Mas
siv
e, f
ine,
gra
nu
lar
Var
ied
Var
ied
N
on
e C
lear
,
smo
oth
Incl
usi
on
s o
f g
rav
el,
bri
ck,
and
po
ssib
le
shel
l,
96-1
18
Ap
1 5Y
1/3
bla
ck, d
ry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
~10%
S
lig
htl
y
har
d, d
ry
Var
ied
No
ne
Ab
rup
t,
smo
oth
1906
bu
rn l
ayer
, in
clu
sio
ns
of
mo
rtar
, ash
,
char
coal
an
d b
rick
118-
125
Ap
2 10
YR
3/2
ver
y
dar
k g
ray
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Sta
rt o
f d
un
e, i
ncl
usi
on
s –
wo
od
en
arti
fact
(p
oss
ible
han
dle
)
118-
125
2Ab
10
YR
3/2
ver
y
dar
k g
ray
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Wea
k s
oil
on
his
tori
c d
un
e su
rfac
e;
wo
od
en a
rtif
act
(po
ssib
le h
and
le)
125-
300
2Cu
2.
5Y l
igh
t o
liv
e
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Un
con
soli
dat
ed d
un
e sa
nd
300-
325
3Ab
2.
5Y 4
/3 o
liv
e
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
S
lig
htl
y
har
d, d
ry
San
dy
loam
No
ne
Gra
du
al,
smo
oth
Rad
ioca
rbo
n d
ate
of
520
+40
B.P
., o
r 53
0
cal
B.P
. (B
eta-
1892
64)
on
wea
k s
oil
form
ed i
n y
ou
ng
est
du
ne
325-
381
3Cu
1 2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
So
ft, d
ryS
and
No
ne
Gra
du
al,
smo
oth
Un
con
soli
dat
ed d
un
e sa
nd
381-
457
3Co
x
10Y
R 5
/6
yel
low
ish
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%S
lig
htl
y
har
d, d
ry
San
dN
on
eG
rad
ual
,
smo
oth
Co
mm
on
iro
n o
xid
e m
ott
les;
few
th
in (
<1
cm)
wel
l so
rted
an
d b
edd
ed s
and
an
d
org
anic
deb
ris
aro
un
d 4
30 c
m
457-
610
3Cu
2 2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
So
ft, l
oo
se
San
d
No
ne
En
d o
f
core
Un
con
soli
dat
ed d
un
e sa
nd
��� ������������������������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 5
F
oo
tin
g N
um
ber
: L49
C1
Ele
vat
ion
(am
sl):
~28
.5 f
t M
axim
um
Co
re D
epth
: 6 m
A
dd
itio
nal
In
form
atio
n: 8
th &
Bry
ant
St.
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-88
Ap
V
arie
d
M
assi
ve,
fin
e,
gra
nu
lar
Var
ied
Var
ied
No
ne
Cle
ar,
smo
oth
Incl
usi
on
s o
f g
rav
el, b
rick
, an
d
char
coal
88-1
00
2Ap
b
2.5Y
5/4
lig
ht
oli
ve
bro
wn
,
dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
Incl
usi
on
s o
f p
last
er, p
oss
ible
wal
l
frag
men
ts a
nd
bu
rnt
iro
n, p
oss
ible
1906
bu
rn l
ayer
?
100-
345
3Ab
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in, v
ery
fin
e, d
ry
0%
Lo
ose
, dry
San
dN
on
eC
lear
,
smo
oth
Du
ne
345-
367
3Cu
1 2.
5Y 5
/2 g
ray
ish
bro
wn
, dry
1, v
ery
fin
e, s
ub
-
blo
cky
0%
Sli
gh
tly
har
d,
dry
S
and
y
clay
lo
am
No
ne
Gra
du
al,
smo
oth
So
me
org
anic
s
367-
600
3Cu
2 2.
5Y 5
/6 l
igh
t
oli
ve
bro
wn
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
So
ft, d
ry
San
d
No
ne
En
d o
f co
re
So
me
dis
per
sed
org
anic
s at
570
-585
cm
�������������������������������������
Blo
ck
6
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 6
F
oo
tin
g N
um
ber
: L41
Ele
vat
ion
(am
sl):
~ 1
2.5
ft
Max
imu
m C
ore
Dep
th: 4
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-10
5
Ap
V
arie
d
Mas
siv
e, f
ine,
gra
nu
lar
Var
ied
Var
ied
N
on
e A
bru
pt,
smo
oth
Incl
usi
on
s o
f cl
ayey
fil
l, s
om
e g
ray
gra
vel
105-
250
2Ap
b
2.5Y
4/1
dar
k g
ray
,
dry
Mas
siv
e, f
ine,
gra
nu
lar
V
arie
dV
arie
d
No
ne
Ab
rup
t,
smo
oth
Hu
ge
1906
bu
rn l
ayer
, in
clu
sio
ns
of
rust
y m
etal
sp
rin
g p
arts
an
d b
rick
250-
300
3Ap
b
2.5Y
5/2
gra
yis
h
bro
wn
, dry
Mas
siv
e, v
ery
fin
e,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
Fil
l sa
nd
300-
392
3Cp
2.
5Y 5
/4 l
igh
t o
liv
e
bro
wn
Sin
gle
gra
in, v
ery
fin
e g
ran
ula
r
0%
Lo
ose
, dry
San
dN
on
eC
lear
,
smo
oth
Bri
ck f
rag
men
ts a
t b
ott
om
of
san
dy
lay
er
392-
401
4Ap
b
Mo
ttle
d f
ill
Mas
siv
e, f
ine,
gra
nu
lar
V
arie
dV
arie
d
No
ne
Ab
rup
t,
smo
oth
Ru
st a
nd
bri
ck
401-
450
5Cu
2.
5Y 5
/4 l
igh
t o
liv
e
bro
wn
, dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
, dry
S
and
N
on
e E
nd
of
core
T
run
cate
d (
?) y
ou
ng
est
du
ne
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 6
F
oo
tin
g N
um
ber
: L44
Ele
vat
ion
(am
sl):
~12
.5 f
t M
axim
um
Co
re D
epth
: 15
m
Ad
dit
ion
al I
nfo
rmat
ion
: NW
of
Ben
t
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s an
d J
ack
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-21
0
Ap
V
arie
d
Mix
ed~2
5%V
arie
dV
arie
dN
on
eA
bru
pt,
smo
oth
Incl
usi
on
s o
f g
ray
gra
vel
wit
h v
ery
dar
k l
ayer
at
99 c
m
210-
220
2Ap
b
2.5Y
4/1
dar
k
gra
y,
dry
Mas
siv
e to
fin
e,
gra
nu
lar
~10%
V
arie
dV
arie
dN
on
eA
bru
pt,
smo
oth
Ver
y t
hin
/wea
k s
oil
fo
rmed
on
his
tori
c fi
ll s
and
220-
381
2Cp
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in
to m
assi
ve
0%
Lo
ose
, dry
S
and
N
on
e
Fil
l sa
nd
��� �����������������������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
381-
448
3Ap
b
2.5Y
4/1
dar
k
gra
y,
dry
Mas
siv
e,
fin
e,
gra
nu
lar
0%
Var
ied
Var
ied
No
ne
Ab
rup
t,
smo
oth
Co
mm
on
fin
e in
acti
ve
roo
ts; b
rick
, ch
arre
d w
oo
d,
and
ear
then
war
e fr
agm
ents
; 190
6 b
urn
lay
er (
?);
cum
uli
c so
il f
orm
ed i
n y
ou
ng
est
du
ne
448-
563
3Cu
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
Un
con
soli
dat
ed d
un
e sa
nd
563-
610
4OA
b
2.5Y
2.5
/1
bla
ck, d
ry
Mas
siv
e to
fib
rou
s
~10%
Har
d, d
ryS
and
y
clay
loam
No
ne
Ab
rup
t,
smo
oth
Rad
ioca
rbo
n d
ate
of
200
+60
B.P
., o
r 28
0 ca
l B
.P.
(Bet
a-18
9266
) o
n p
eat
form
ed i
n i
nte
r-d
un
e
tro
ug
h o
f y
ou
ng
est
du
ne
610-
634
4Cu
2.
5Y 6
/2 l
igh
t
bro
wn
ish
bro
wn
, dry
Mas
siv
e to
sin
gle
gra
in
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
So
me
roo
ts f
rom
ab
ov
e p
eat
lay
er
634-
646
5Ob
2.
5Y 3
/3 d
ark
oli
ve
bro
wn
,
dry
Mas
siv
e,
fib
rou
s
0%
So
ft, d
ryP
eaty
clay
No
ne
Ab
rup
t,
smo
oth
Rad
ioca
rbo
n d
ate
of
970
+ 50
B.P
., o
r 96
0 ca
l B
.P.
(Bet
a-18
9267
) o
n p
eat
form
ed i
n t
idal
mar
sh
646-
1370
5Cg
2.
5Y 6
.1 g
ray
,
dry
Mas
siv
e
0%E
xtr
emel
y
har
d, d
ry
Cla
yN
on
eE
nd
of
core
Rad
ioca
rbo
n d
ate
of
2270
+40
B.P
., o
r 16
10 c
al B
.P.
(Bet
a-18
9268
) o
n M
aco
ma
clam
sh
ell
at 1
180
cm,
and
dat
e o
f 58
20 +
70 B
.P.,
or
6650
cal
B.P
. (B
eta-
1892
69)
on
org
anic
sed
imen
t w
ith
sm
all
clam
shel
ls a
t 13
25 c
m
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 6
F
oo
tin
g N
um
ber
: L45
N
Ele
vat
ion
(am
sl):
~15
ft
Max
imu
m C
ore
Dep
th: 6
.1 m
A
dd
itio
nal
In
form
atio
n: N
ort
h o
f B
ent
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s an
d J
ack
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
Mu
nse
ll
Col
or
Str
uct
ure
G
rave
lC
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-60
Ap
V
arie
d
Mas
siv
e, f
ine,
gra
nu
lar
~50%
sm
all
to l
arg
e,
ang
ula
r
Var
ied
Var
ied
N
on
eA
bru
pt,
smo
oth
Incl
usi
on
s o
f b
rick
, tar
, lar
ge
gra
y
gra
vel
, bri
ck a
nd
un
kn
ow
n w
hit
e
sub
stan
ce
60-3
35
2Ab
/C
u
2.5Y
5/4
lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
,d
ry
San
d
No
ne
Ab
rup
t,
smo
oth
V
ery
th
in/w
eak
so
il f
orm
ed i
n
up
per
10-
cm o
n d
un
e sa
nd
; mo
re
qu
artz
san
d n
ear
bas
e
������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
Mu
nse
ll
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
335-
365
3OA
b
10Y
R 2
/2
ver
y d
ark
bro
wn
, dry
Mas
siv
e to
wea
k f
ine,
sub
ang
ula
r
blo
cky
0%S
oft
,dry
San
dy
loam
N
on
eC
lear
,
smo
oth
Rad
ioca
rbo
n d
ate
of
240
+50
B.P
., o
r
290
cal
B.P
. (B
eta-
1892
65)
on
pea
t
form
ed i
n i
nte
r-d
un
e tr
ou
gh
of
yo
un
ges
t d
un
e
365-
610
3Cu
2.
5YR
5/3
lig
ht
oli
ve
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%L
oo
seto
soft
, dry
San
dV
ery
few
,
fain
t, c
oat
ing
and
bri
dg
ing
En
d o
f
core
Un
con
soli
dat
ed y
ou
ng
est
du
ne
san
d
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 6
F
oo
tin
g N
um
ber
: L46
L
Ele
vat
ion
(am
sl):
~15
ft
Max
imu
m C
ore
Dep
th: 6
.1 m
A
dd
itio
nal
In
form
atio
n: N
ort
h o
f B
ent
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-80
Ap
V
arie
d
Mas
siv
e, f
ine
to v
ery
coar
se, g
ran
ula
r
~50%
Var
ied
Var
ied
No
ne
Ab
rup
t,
smo
oth
In
clu
sio
ns
of
gra
vel
, co
ncr
ete,
an
d
bri
ck
80-1
01
2Ap
b
Var
ied
M
assi
ve,
fin
e to
ver
y
coar
se, g
ran
ula
r
V
arie
dV
arie
d
No
ne
Gra
du
al,
smo
oth
Po
ssib
le 1
906
bu
rn l
ayer
wit
h n
ail,
gla
ss, b
urn
t ir
on
an
d b
on
e
101-
135
3Ap
b
2.5Y
5/2
gra
yis
h
bro
wn
, dry
Mas
siv
e, f
ine,
gra
nu
lar
0%
Har
d, d
ryS
and
yN
on
eG
rad
ual
,
smo
oth
Fil
l sa
nd
wit
h s
om
e as
h
135-
300
4Ab
2.
5Y 6
/2 l
igh
t
bro
wn
ish
gra
y, d
ry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Lo
ose
, dry
San
dy
No
ne
Cle
ar,
smo
oth
Wea
k s
oil
fo
rmed
on
yo
un
ges
t
du
ne
300-
450
4Cu
1 10
YR
5/6
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Sli
gh
tly
har
d,
dry
San
dy
No
ne
Gra
du
al,
smo
oth
Un
con
soli
dat
ed d
un
e sa
nd
450-
600
4u2
5Y 6
/2 l
igh
t o
liv
e
gra
y,
dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
So
ft, d
ry
San
dy
N
on
e E
nd
of
core
U
nco
nso
lid
ated
du
ne
san
d
Blo
ck
7 (
no
co
rin
g p
erf
orm
ed
)
��� ������������������������������������������������������
Blo
ck
8
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 8
F
oo
tin
g N
um
ber
: L31
Ele
vat
ion
(am
sl):
~10
ft
Max
imu
m C
ore
Dep
th: 9
.1 m
A
dd
itio
nal
In
form
atio
n: S
E c
orn
er o
f B
ent
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-11
1
Ap
V
arie
d
Mas
siv
e, f
ine
to c
oar
se,
gra
nu
lar
Var
ied
Var
ied
No
ne
Cle
ar,
smo
oth
Incl
usi
on
s o
f ch
arco
al,
bri
ck,
san
d
wit
h g
rav
els
193-
228
Ap
b1
V
arie
dM
assi
ve,
fin
e
to v
ery
co
arse
,
gra
nu
lar
Var
ied
Var
ied
No
ne
Ab
rup
t,
smo
oth
Po
ssib
le 1
906
bu
rn l
ayer
wit
h t
hic
k
con
cret
e at
bo
tto
m
228-
335
Ap
b2
10Y
R 5
/4
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%L
oo
se, d
ryS
and
No
ne
Gra
du
al,
smo
oth
Art
ific
ial
fill
335-
407
2Ap
b/
C
2.5Y
lig
ht
yel
low
ish
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eA
bru
pt,
smo
oth
Fil
l sa
nd
407-
417
3OA
b
2.5Y
4/2
dar
k
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
H
ard
, dry
San
dy
clay
loam
No
ne
Ab
rup
t,
smo
oth
R
adio
carb
on
dat
e o
f 76
0 +6
0 B
.P.,
or
680
cal
B.P
. (B
eta-
1892
70)
on
pea
t fo
rmed
in
tid
al m
arsh
417-
579
3Cg
G
ley
1 6
/10Y
gre
enis
h g
ray
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
Ex
trem
ely
har
d, d
ry
Cla
yN
on
eA
bru
pt,
smo
oth
Bay
mu
d w
ith
few
pla
nt
rem
ain
s
at 5
30 c
m; t
idal
slo
ug
h
env
iro
nm
ent?
579-
585
4Ob
10
YR
4/2
dar
k
gra
yis
h
bro
wn
, dry
Mas
siv
e to
fib
rou
s
0%
S
oft
, dry
Pea
ty
clay
No
ne
Ab
rup
t,
smo
oth
R
adio
carb
on
dat
e o
f 25
00 +
70 B
.P.,
or
2560
cal
B.P
. (B
eta-
1892
71)
on
org
anic
sed
imen
t an
d p
eat
form
ed
in t
idal
mar
sh
585-
625
5Ab
10
YR
4/2
dar
k
gra
yis
h
bro
wn
, dry
Mas
siv
e to
ver
y f
ine,
gra
nu
lar
0%
V
ery
har
d,
dry
San
dy
clay
loam
Few
, fai
nt,
co
atin
g
gra
ins
Gra
du
al,
smo
oth
Rad
ioca
rbo
n d
ate
of
3810
+60
B.P
.,
or
4210
cal
B.P
. (B
eta-
1892
72)
on
wel
l d
evel
op
ed s
oil
fo
rmed
on
old
er d
un
e
�������������������������������������
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
625-
750
5Btb
1 2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
E
xtr
emel
y
har
d, d
ry
San
dy
clay
Man
y, d
isti
nct
coat
ing
an
d
bri
dg
ing
gra
ins
and
ped
fac
es
Gra
du
al,
smo
oth
Su
bsu
rfac
e ac
cum
ula
tio
n o
f
illu
via
l cl
ay i
n o
lder
du
ne
750-
910
5BC
tb
2.5Y
6/4
lig
ht
yel
low
ish
bro
wn
, dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
E
xtr
emel
y
har
d
San
dy
clay
Co
mm
on
, dis
tin
ct,
coat
ing
an
d
bri
dg
ing
gra
ins
En
d o
f
core
Old
er d
un
e
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 8
F
oo
tin
g N
um
ber
: L28
Ele
vat
ion
(am
sl):
~10
ft
Max
imu
m C
ore
Dep
th: 9
.1 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-22
1
Ap
V
arie
d
M
assi
ve,
ver
y
fin
e to
co
arse
,
gra
nu
lar
~50%
Var
ied
Var
ied
No
ne
Ab
rup
t,
smo
oth
In
clu
sio
ns
of
gra
y g
rav
el, r
edd
ish
pu
rple
cher
t g
rav
el, s
and
wit
h b
rick
, bri
ck l
ayer
wit
h s
and
an
d h
ard
yel
low
cla
y w
ith
bri
ck
223-
333
A?
2.5Y
5/4
lig
ht
oli
ve
bro
wn
,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
Lo
ose
, dry
San
dN
on
eG
rad
ual
,
smo
oth
Du
ne
333-
390
2Ap
b
V
arie
dM
assi
ve,
fin
e,
gra
nu
lar
~10%
So
ft, d
ryL
oam
No
ne
Ab
rup
t,
smo
oth
Gre
en g
lass
at
358
cm a
nd
bri
ck a
t 39
0 cm
390-
450
3Ab
2.
5Y 4
/1 d
ark
gra
y,
dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
Ex
trem
ely
har
d, d
ry
Cla
yN
on
eG
rad
ual
,
smo
oth
Wea
k s
oil
fo
rmed
on
his
tori
c d
un
e su
rfac
e
450-
600
3Cu
2.
5Y 5
/4 l
igh
t
oli
ve
bro
wn
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
V
ery
har
d,
dry
San
dy
clay
No
ne
Gra
du
al,
smo
oth
Un
con
soli
dat
ed d
un
e
600-
910
4Cu
10Y
R 5
/6
yel
low
ish
bro
wn
, dry
M
assi
ve,
ver
y
fin
e, g
ran
ula
r
0%L
oo
se, d
ryS
and
No
ne
Gra
du
al,
smo
oth
Un
con
soli
dat
ed d
un
e
��� ������������������������������������������������������
Blo
ck
9
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 9
F
oo
tin
g N
um
ber
: L21
Ele
vat
ion
(am
sl):
~17
ft
Max
imu
m C
ore
Dep
th: 4
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-22
9
Ap
V
arie
d
Mas
siv
e, f
ine
to
coar
se, g
ran
ula
r
~25%
Var
ied
Var
ied
No
ne
Cle
ar,
smo
oth
In
clu
sio
ns
of
pla
ster
, cla
yey
gra
y
fill
, cl
ear
gla
ss,
mo
rtar
, b
rick
,
229-
248
2Ap
b
Var
ied
M
assi
ve,
fin
e to
coar
se, g
ran
ula
r
So
ft, d
ryV
arie
d
No
ne
Ab
rup
t,
smo
oth
Po
ssib
le 1
906
bu
rn l
ayer
248-
295
3Ap
b
V
arie
dM
assi
ve,
fin
e,
gra
nu
lar
L
oo
se, d
ryV
arie
d
No
ne
Ab
rup
t,
smo
oth
San
dy
fil
l –
incl
usi
on
s o
f p
last
er
and
bri
ck
295-
300
4Ap
b
10Y
R 4
/1 d
ark
gra
y,
dry
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Sli
gh
tly
har
d,
dry
Var
ied
No
ne
Ab
rup
t,
smo
oth
300-
315
5Ap
b
M
ixed
M
ixed
~1
0%S
lig
htl
y h
ard
,
dry
Var
ied
No
ne
Cle
ar,
smo
oth
Gla
ss s
har
d a
t 30
8 cm
315-
450
6Ab
10
YR
4/1
dar
k
yel
low
ish
bro
wn
Sin
gle
gra
in, v
ery
fin
e, g
ran
ula
r
0%
Har
dS
and
y
clay
No
ne
En
d o
f co
re
Wel
l d
evel
op
ed s
oil
fo
rmed
in
old
er d
un
e
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 9
F
oo
tin
g N
um
ber
: L23
Ele
vat
ion
(am
sl):
~17
ft
Max
imu
m C
ore
Dep
th: 4
.5 m
A
dd
itio
nal
In
form
atio
n:
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-15
0
Ap
V
arie
d
Mas
siv
e, f
ine
to
coar
se, g
ran
ula
r
So
ft, d
ryV
arie
d
No
ne
Cle
ar,
smo
oth
Fil
l w
ith
bri
ck,
char
coal
an
d p
last
er
150-
207
2Ap
b
Var
ied
M
assi
ve,
fin
e to
coar
se, g
ran
ula
r
So
ft, d
ryV
arie
d
No
ne
Ab
rup
t,
smo
oth
Dar
k f
ill
con
sist
s o
f
bri
ck a
nd
tim
ber
207-
240
3Ap
b
Var
ied
M
assi
ve,
fin
e to
coar
se, g
ran
ula
r
So
ft, d
ryV
arie
d
No
ne
Ab
rup
t,
smo
oth
Po
ssib
le 1
906
bu
rn
lay
er
240-
450
4Ab
2.
5Y 6
/4 l
igh
t
yel
low
ish
bro
wn
,
dry
Mas
siv
e to
wea
k,
fin
e g
ran
ula
r
0%
E
xtr
emel
y
har
d, d
ry
San
dy
clay
Ver
y f
ew, f
ain
t,
coat
ing
an
d b
rid
gin
g
gra
ins
En
d o
f co
re
Wel
l d
evel
op
ed s
oil
form
ed i
n o
lder
du
ne
�������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 9
F
oo
tin
g N
um
ber
: L25
Ele
vat
ion
(am
sl):
M
axim
um
Co
re D
epth
: 6.1
m
Ad
dit
ion
al I
nfo
rmat
ion
: NE
co
rner
of
Ben
t
Set
tin
g: U
rban
L
and
form
: San
d d
un
es
Des
crib
ed b
y: L
ori
Ste
ven
s an
d J
ack
Mey
er
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-22
8
Ap
V
arie
d
M
assi
ve,
fin
e
to c
oar
se,
gra
nu
lar
~50%
So
ft, d
ryV
arie
dN
on
eC
lear
,
smo
oth
F
ill-
in
clu
sio
ns
of
gra
y g
rav
el,
bri
ck, a
nd
dar
k r
ed g
rav
el; 1
906
bu
rn l
ayer
?
228-
300
2Ab
10
YR
4/2
dar
k
gra
yis
h b
row
n,
dry
Mas
siv
e to
ver
y f
ine,
gra
nu
lar
0%
V
ery
har
d,
dry
San
dy
clay
loam
Few
, fai
nt,
co
atin
g
gra
ins
Gra
du
al,
smo
oth
Rad
ioca
rbo
n d
ate
of
3810
+60
B.P
.,
or
4210
cal
B.P
. (B
eta-
1892
72)
on
wel
l d
evel
op
ed s
oil
fo
rmed
on
old
er d
un
e
300-
457
2Btb
1 2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
0%
E
xtr
emel
y
har
d, d
ry
San
dy
clay
Man
y, d
isti
nct
coat
ing
an
d
bri
dg
ing
gra
ins
and
ped
fac
es
Gra
du
al,
smo
oth
Su
bsu
rfac
e ac
cum
ula
tio
n o
f
illu
via
l cl
ay i
n o
lder
du
ne
457-
610
5BC
tb
2.5Y
6/4
lig
ht
yel
low
ish
bro
wn
, dry
Mas
siv
e,
ver
y f
ine,
gra
nu
lar
0%
E
xtr
emel
y
har
d
San
dy
clay
Co
mm
on
, dis
tin
ct,
coat
ing
an
d
bri
dg
ing
gra
ins
En
d o
f
core
Old
er d
un
e
��� ������������������������������������������������������
Blo
ck
10
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 1
0 F
oo
tin
g N
um
ber
: R16
Ele
vat
ion
(am
sl):
~16
.9 f
t M
axim
um
Co
re D
epth
: 9.1
m
Ad
dit
ion
al I
nfo
rmat
ion
: NE
co
rner
of
Ben
t
Set
tin
g: U
rban
L
and
form
: Fil
led
bay
D
escr
ibed
by
: Jac
k M
eyer
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
Cla
y F
ilm
sL
ower
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-31
7
Ap
V
arie
d
Mas
siv
e, f
ine
to c
oar
se,
gra
nu
lar
Var
ied
Var
ied
No
ne
Cle
ar,
smo
oth
Co
nta
ins
char
coal
, bri
ck, s
and
wit
h
gra
vel
s
317-
448
2Ap
b
V
arie
dM
assi
ve,
fin
e
to v
ery
coar
se,
gra
nu
lar
Var
ied
Var
ied
No
ne
Ab
rup
t,
smo
oth
Po
ssib
le 1
906
bu
rn l
ayer
wit
h
con
cret
e at
244
cm
448-
600
3Ap
b
10Y
R 5
/4
yel
low
ish
bro
wn
, dry
Wea
k, v
ery
fin
e, g
ran
ula
r
0%L
oo
se, d
ryL
oam
No
ne
Gra
du
al,
smo
oth
Co
mm
on
ro
ots
an
d o
rgan
ic
mat
eria
l; 1
0-cm
th
ick
co
nce
ntr
atio
n
of
his
tori
c b
on
e (s
aw-c
ut)
at
400-
410
cm;
wea
k s
oil
fo
rmed
on
fil
l
600-
610
3Cg
5Y
6/2
lig
ht
oli
ve
gra
y,
dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
L
oo
se,
dry
Sil
ty
clay
No
ne
Ab
rup
t,
smo
oth
C
om
mo
n p
lan
t re
mai
ns;
tid
al p
on
d
dep
osi
t
610-
620
4OA
b
2.5Y
4/2
dar
k
gra
yis
h
bro
wn
, dry
Sin
gle
gra
in,
ver
y f
ine,
gra
nu
lar
0%
H
ard
, dry
San
dy
clay
loam
No
ne
Ab
rup
t,
smo
oth
R
adio
carb
on
dat
e o
f 84
0 +4
0 B
.P.,
or
740
cal
B.P
. (B
eta-
1892
73)
on
th
in
pea
t la
yer
fo
rmed
in
tid
al m
arsh
620-
722
5Ab
10
YR
4/2
dar
k
gra
yis
h
bro
wn
, dry
Mas
siv
e to
ver
y f
ine,
gra
nu
lar
0%
V
ery
har
d,
dry
San
dy
clay
loam
Few
, fai
nt,
co
atin
g
gra
ins
Gra
du
al,
smo
oth
Wel
l d
evel
op
ed s
oil
fo
rmed
on
old
er d
un
e
722-
836
5Btb
1 2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
E
xtr
emel
y
har
d, d
ry
San
dy
clay
Man
y, d
isti
nct
coat
ing
an
d
bri
dg
ing
gra
ins
and
ped
fac
es
Gra
du
al,
smo
oth
Su
bsu
rfac
e ac
cum
ula
tio
n o
f il
luv
ial
clay
in
old
er d
un
e
836-
910
5BC
tb
2.5Y
6/4
lig
ht
yel
low
ish
bro
wn
, dry
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
E
xtr
emel
y
har
d
San
dy
clay
Co
mm
on
,
dis
tin
ct, c
oat
ing
and
bri
dg
ing
gra
ins
En
d o
f
core
Old
er d
un
e
�������������������������������������
Pro
ject
: SF
-80
(Bay
sho
re)
Blo
ck N
o. 1
0 F
oo
tin
g N
um
ber
: R13
Ele
vat
ion
(am
sl):
~20
.5 f
t M
axim
um
Co
re D
epth
: 4.
0 m
A
dd
itio
nal
In
form
atio
n: N
of
Ben
t
Set
tin
g: U
rban
L
and
form
: Fil
led
bay
D
escr
ibed
by
: Jac
k M
eyer
Dep
th
(cm
)
Soi
l
Hor
izon
M
un
sell
Col
or
Str
uct
ure
G
rave
l C
onsi
sten
ce
Tex
ture
C
lay
Fil
ms
Low
er
Bou
nda
ry
Add
itio
nal
Com
men
ts
0-21
3
Ap
V
arie
d
Mas
siv
e, f
ine
to
coar
se, g
ran
ula
r
V
arie
d
Var
ied
N
on
e C
lear
,
smo
oth
Co
nta
ins
char
coal
, bri
ck,
san
d w
ith
gra
vel
s
213-
315
5Ab
10
YR
4/2
dar
k
gra
yis
h b
row
n,
dry
Mas
siv
e to
ver
y
fin
e, g
ran
ula
r
0%
Ver
y h
ard
,
dry
San
dy
clay
lo
am
Few
, fai
nt,
co
atin
g
gra
ins
Gra
du
al,
smo
oth
Wel
l d
evel
op
ed s
oil
form
ed o
n o
lder
du
ne
315-
400
5Btb
2.
5Y 5
/3 l
igh
t
oli
ve
bro
wn
Mas
siv
e, v
ery
fin
e, g
ran
ula
r
0%
Ex
trem
ely
har
d, d
ry
San
dy
clay
Man
y, d
isti
nct
co
atin
g
and
bri
dg
ing
gra
ins
and
ped
fac
es
En
d o
f
core
Su
bsu
rfac
e
accu
mu
lati
on
of
illu
via
l
clay
in
old
er d
un
e