Annual ReportOf The

State InspectorOf

MinesOf

WYOMING

Year Ending

December 31, 2013

THE STATE OF WYOMING MATTHEW MEAD

GOVERNOR

TERRY W. ADCOCK

State Inspector of Mines

Department of Workforce ServicesOFFICE OF MINE INSPECTOR

P. O. Box 1094Rock Springs, WY 82902

TELEPHONE 307-362-5222 FAX 307-362-5233

December 31, 2013

The Honorable Matthew Mead

Governor of Wyoming

State Capitol Building

Cheyenne, WY 82002

Dear Governor Mead:

Persuant to Wyoming Compiled Statutes of 1995, relating to mining, I have the honor to transmit herewith the Annual Report of the State Inspector of Mines for the year 2013.

Respectfully submitted,

Terry W. Adcock

State Inspector of Mines

1

MATTHEW MEAD

Governor of Wyoming - 2013

2

STATE MINE INSPECTOR'S OFFICE PERSONNEL

Name Title Location

Adcock, Terry W. State Inspector of Mines Rock Springs

Ashley, Cary D. Deputy Inspector of Mines Casper

Bailey, Doug Deputy Inspector of Mines Gillette

Crumrine, Mark A. Deputy Inspector of Mines Cody

McCann, Michael A. Deputy Inspector of Mines (Coal) Rock Springs

Prettyman, Ron Deputy Inspector of Mines Rock Springs

Goplerud, Rebecca E. Senior Office Support Specialist Rock Springs

This office is a division of the Department of Workforce Services, and is located in Rock Springs, WY. It is the responsibility of this office to administer the State Statutes pertaining to the health and safety of the miners, and to recommend legislative changes in such regulations when needed.

Pursuant to these statutes, each mining operation in the State is inspected for compliance several times each year, and all fatal or serious accidents are investigated. Complaints by employees of unsafe working conditions are also investigated.

State Statutes also created the Mining Council, composed of 10 members and the State Inspector of Mines. The membership is composed of 5 management and 5 hourly representatives from various types of mining operations. The members of the Council act in conjunction with the State Inspector of Mines to improve the health and safety in the mines of this state.

The State Mining Council is also responsible for the certification of underground and surface mine foreman and mine examiners as required by State Statutes. The members of the Mining Council are:

Barker, Christopher G. Hourly, UG Coal

Bridger Coal Company-UG

Point of Rocks, WY

Burd, Michael K. Hourly, Trona

FMC Corporation

Green River, WY

Dillinger, Phil Hourly, Coal

Alpha Coal West, Inc.

Gillette, WY

Dorn, Don S. Hourly, Coal

Peabody Coal-NARM

Gillette, WY

3

Graham, David A. Consultant, Trona

Consultant

Green River, WY

Montoya, Michael C. Mining Engineer

Solvay Chemicals, Inc

Green River, WY

Musbach, Timothy E Management,Trona

OCI Wyoming L.P.

Green River, WY

Pacheco, Robert J. Hourly, Coal

Black Butte Coal Company

Point of Rocks, WY

Rhoades, Christine Management, Coal-President

Alpha Coal West, Inc.

Gillette, WY

Waterhouse, Tom Management, Sand & Gravel

Evans Construction Company

Jackson, WY

4

2013 - EXECUTIVE SUMMARY

Fatalities

On August 16, 2013 an employee of Thunder Basin Coal Co., Jacob Dowdy was fatally injured at the Black Thunder Mine. Mr. Dowdy was assisting in moving a 2800 P&H Shovel, when the shovel lost propel capabilities. The shovel then rolled in reverse striking the pickup driven by Mr. Dowdy.

On October 6, 2013, an employee of Bridger Coal Co., Christopher Mark Stassinos was fatally injured at the Bridger Surface Coal Mine. Mr. Stassinos was operating a D-11 Dozer, pushing up loose material and drove the machine over the highwall.

Lost Time Accidents

Operations:2013 - 57 Lost Time Accidents2012 - 69 Lost Time Accidents2011 - 64 Lost Time Accidents

Contractors:2013 - 12 Lost Time Accidents2012 - 22 Lost Time Accidents2011 - 9 Lost Time Accidents

Total:2013 - 69 Lost Time Accidents2012 - 91 Lost Time Accidents2011 - 73 Lost Time Accidents

We had a total of 108 companies that worked at least 10,000 hours or more without a lost time accident in 2013.

5

Production and Employee Data

2013 - Coal Production - 387,995,072 tons2012 - Coal Production - 401,457,074 tons2011 - Coal Production - 438,380,012 tons

2013 - Coal Employment - 6,516 employees2012 - Coal Employment - 6,902 employees2011 - Coal Employment - 7,000 employees

2013 - Trona Production - 16,373,970 tons2012 - Trona Production - 17,058,975 tons2011 - Trona Production - 16,986,572 tons

2013 - Trona Employment - 2,328 employees2012 - Trona Employment - 2,261 employees2011 - Trona Employment - 2,240 employees

2013 - Bentonite Production (plant) - 3,253,731 tons (mine) - 4,057,372 tons2012 - Bentonite Production (plant) - 4,215,116 tons (mine) - 5,241,140 tons2011 - Bentonite Production (plant) - 3,497,495 tons (mine) - 4,970,781 tons

2013 - Bentonite Employment - 734 employees2012 - Bentonite Employment - 777 employees2011 - Bentonite Employment - 744 employees

State Mine Inspector Health and Safety Inspections

2013 - 853 Health and Safety Inspections conducted2012 - 779 Health and Safety Inspections conducted2011 - 659 Health and Safety Inspections conducted

6

Training

Mine Safety and Health Training is available through the M.S.H.A. State Grant Program which is funded by a grant awarded by the Department of Labor. There are full time and contract trainers located at the Northern Wyoming Community College District, Gillette College and at the Western Wyoming Community College, Green River Campus. These instructors conduct training on campus and also travel throughout the state upon request.

The programs currently available from certified instructors are:

Annual Refresher TrainingNew Mine TrainingImpoundment Re-certificationElectrical Certification ReviewElectrical Re-certificationMine Foreman Certification ReviewSurface Coal Shot-Firer Re-certificationInstructor Training for CertificationAccident Investigation and PreventionPart 56/57 TrainingPart 77 TrainingPart 46 TrainingPart 47 Haz-Com TrainingPart 62 Noise TrainingFirst Respondor TrainingFirst AidC.P.R.

I encourage all of the mines and mine contractors to use the Grant Program whenever possible.

7

2013 - MINE FOREMAN CERTIFICATION

The Wyoming Mining Council is responsible for the certification of Mine Foreman in the state. 200 certificates were awarded for 2013.

Surface Coal Foreman

Aars III, Houston A4625

Ackerman, Jonathan A4626

Aghbashian, Charles A4629

Alexander, Joshua A4630

Angell, Justin A4633

Baxter, Heber A4638

Bellon, Wade A4643

Bertrand, Tabb A4644

BeVier, Shawn A4645

Blaha, James A4648

Bohn, James A4649

Bowman, Bryce A4650

Branscom, Robert A4655

Bryan, Josh A4656

Burleson, Colter A4657

Burleson, Rory A4658

Carlson, Edward F. A4662

Carter, Sara A4663

Cast, Raymond A4670

Christensen, Robert A4673

Cole, Jason A4678

Cornick, Robert A4681

Cota, Sirlido A4682

Cowdin, Buck A4683

Culp, John A4684

Davis, Weldon A4685

DeHaven, Michael A4686

Deines, Smokey A4687

Dever, Travis A4688

Dykstra, Travis A4691

Engelhaupt, EJ A4692

Engle, Jared A4693

Exley, Olney A4694

Fairbairn, Edward A4697

Felmlee, Casey A4698

Ferrin, Cole A4699

Fiedler, Aaron A4700

Fish, Michael A4703

Foster, Frank A4704

Frank, Chris A4705

Gallegos, Joe A4706

McCormick, William A4762

McCoy, Bill A4763

McCoy, Paul A4764

McFarland, Jason A4765

McInerney, Jeremy A4766

McLain, Monte A4767

McNeil, Gregg A4768

Melton, Jay A4769

Micael, Joseph A4770

Middleton, Corey A4771

Miles, Anthony A4772

Miller, Michael A4773

Miller, Vede A4774

Mivshek, Richard A4775

Morgan, Aaron A4776

Mullaney, Conan A4779

Murray, Pete A4780

Nielsen, Peter A4781

Noonan, Bob A4782

Novotny, Shane A4785

O'Brien, Penny A4786

O'Donnell, Christopher A4788

Odell, Edward A4787

Olsen, James A4790

Olson, Monte A4791

Opsal, Adam A4792

Parkinson, Matthew A4795

Patton, Mary Ann A4797

Percy, Josh A4798

Phillips, Donald A4801

Pollo, Robert A4804

Rewitzer, Theodore A4810

Riehemann, Lester A4811

Rives, Richard A4812

Roberts, David A4813

Robinson, Zachary A4814

Rohrer, Dennis A4815

Rose, Dean A4816

Rosenau, Weston A4817

Schinke, Gerald A4822

Schmitz, Garrett A4823

8

Gaston, Gabriel A4707

Gawronski, Timothy A4708

Geiser, Jeremy A4709

Gieswein, Jacob A4710

Goldsmith, Jeffrey A4711

Gray, Thayne A4712

Gross, Jonathan A4713

Haddenham, Michael A4716

Hagen, Dustin A4717

Hamm, Eric A4718

Hammond, J.W. A4719

Hannah, Shane A4720

Hanson, Darrin A4721

Harvey, Scott A4722

Hefner, Nick A4723

Helms, Mike A4724

Herman, Gerald A4725

Houthoofd, Shaun A4728

Ingman, Erik A4733

Jackson, Clayton A4734

Jensen, Bart A4735

Jensen, Robert A4738

Kaplan, Sean A4744

Kinney, Adam A4745

Kistler, Shawn A4746

Kokesh, Dustin A4747

Kwallek, Brayndon A4748

Labbe, Robert A4749

Lee, Shane A4753

LeVasseur, Ben A4755

Long, Mike A4756

Ludwig, Tylon A4757

Malone, Teresa A4758

Marble, Randy A4759

Marowelli, Tyler A4760

Mason, Ryan A4761

Schriner, Barton A4826

Schubert, Joe A4827

Scott, Jacob A4828

Senger, Lyle A4829

Shuck, Chad A4830

Simpson, Chad A4831

Slawson, Cannon A4832

Smith, Kyle A4833

Staples, Brett A4840

Starks, Travis A4841

Stephens, Adam A4844

Stevenson, Larry A4845

Stewart, Timothy A4846

Stone, Toby A4847

Stuart, Troy A4848

Sweet, James A4851

Swensen, Jake A4852

Syddall, David A4853

Tavares, Jonathan A4855

Thompson, Evan A4856

Turner, Jason A4858

Unterseher, Travis W. A4861

Vahlkamp, Brandon A4862

Ward, Darrell A4867

Warner, Scott A4868

Wilkinson, Jason A4871

Williamson, Chris A4872

Winter, Tio A4873

Wipf, Jacob A4874

Wisser, Kenneth A4875

Wissler, Chad A4876

Wojciechowski, Krzysztof A4877

Wood, Nathan A4878

Wright, John A4879

Wulf, Jeremy A4880

Underground Metal/Non-Metal Foreman

Ballance, Michael A4637

Belderrain, Mike A4642

Stensaas, Michael A4843

Waddell, Lance A4866

Underground Coal Mine Foreman

Bear, Joseph A4640

Boyd, Wendalle A4652

Chesser, Dwaine A4672

Dyches, Daniel A4690

Fagley, Eric A4696

Huitt, Curtis A4732

Kalista, Ted A4743

Norman, Robert A4784

Poulson, James A4806

Sandel, Jack A4821

Schnabel, David A4825

Sorensen, Gary A4835

Sorrells, Ronald A4837

Stahly, Norman A4839

White, Vernon A4870

9

Underground Trona Mine Foreman

Adams, Daniel A4628

Ames, Travis A4632

Aston, Casey A4635

Black, LaMar A4647

Boylen, Zachary A4654

Campbell, Russell A4660

Carter Jr., Edward A4665

Carvill II, Richard A4667

Cary, Zachary A4669

Christman, Michael A4675

Clemens, Jason A4677

Finley, Brandon A4702

Guymon, Adam A4715

Hess, Christian A4727

Hughes, Amanda A4730

Jensen, Jared A4737

Johnson, Terry A4741

Lamb, James A4751

Mortensen, Kyle A4778

Paoli, Daniel A4794

Patterson, Justin A4796

Peterson, Ray A4800

Plant, Cody A4803

Rasdall, Jeremy A4809

Salas, Edward A4819

Sunich, Edward A4850

Ungaro, Brian A4860

Vilseck, Keith A4864

Certifications awarded for 2013: 200

10

2013 - EXAMINER CERTIFICATION

The Wyoming Mining Council is responsible for the certification of Mine Examiners in the state. 55 certificates were awarded for 2013.

Underground Coal Mine Examiner

Bear, Joseph A4639

Boyd, Wendalle A4651

Chesser, Dwaine A4671

Dyches, Daniel A4689

Fagley, Eric A4695

Huitt, Curtis A4731

Johnson, Kyle A4739

Kalista, Ted A4742

Larsen, David A4752

Leon, Jesus A4754

Norman, Robert A4783

Poulson, James A4805

Quigley, Jason A4807

Sandel, Jack A4820

Schnabel, David A4824

Sorensen, Gary A4834

Sorrells, Ronald A4836

Stahly, Norman A4838

White, Vernon A4869

Yantis, Keith A4881

Underground Trona Mine Examiner

Adams, Daniel A4627

Ames, Travis A4631

Aston, Casey A4634

Black, LaMar A4646

Boylen, Zachary A4653

Campbell, Russell A4659

Carter Jr., Edward A4664

Carvill II, Richard A4666

Cary, Zachary A4668

Christman, Michael A4674

Clemens, Jason A4676

Finley, Brandon A4701

Guymon, Adam A4714

Hess, Christian A4726

Hughes, Amanda A4729

Jensen, Jared A4736

Johnson, Terry A4740

Lamb, James A4750

Mortensen, Kyle A4777

Olguin, Frank A4789

Paoli, Daniel A4793

Peterson, Ray A4799

Plant, Cody A4802

Rasdall, Jeremy A4808

Salas, Edward A4818

Sunich, Edward A4849

Ungaro, Brian A4859

Vilseck, Keith A4863

Underground Metal/Non-Metal Examiner

Ballance, Michael A4636

Belderrain, Mike A4641

Stensaas, Michael A4842

Waddell, Lance A4865

Surface Coal Examiner

Carlisle, Bexton A4661

Tanner, Mary A4854

Toolen, Diana A4857

Certifications awarded for 2013: 55

11

2013 - SHOT-FIRER CERTIFICATION

The State Inspection of Mines office is responsible for the certification of all blasters working in the mines in Wyoming. Several different categories of certification are offered to meet the needs of the various types of mines. This office cooperates with DEQ/LQD in administering the shot-firer program for surface coal. 5 certificates were awarded for 2013.

NAME CERTIFICATE #

Patterson, Justin 7484

Peterson, Raymond 7481

Stensaas, Michael 7482

Thomas, Travis 7483

Waddell, Lance 7480

Certifications awarded for 2013: 5

12

2013 - CONTRACTOR CERTIFIED PERSON

This certification is the result of new rule making in 2008. This certified person is qualified to perform work place examination at surface coal mines for contractor work areas. 143 certificates were awarded for 2013.

NAME CERTIFICATE #

Aho, Jessy 986

Allison, Eric 913

Allison, Kaitlin 957

Alvarado, Miguel 854

Appleton, Jacob 862

Archie, Paris 853

Arzy, Michael 961

Bailey, Samuel 914

Bank, Cody 879

Baumgartner, Brittney 876

Baumgartner, William 877

Beck, Dustin 911

Bjorklund, Doug 855

Bond, David 907

Bowman, Shane 891

Briney, David 942

Brouillette, Phillip 905

Burnett, Travis 939

Buxcel, Wade 912

Calciano, Luigi 868

Campbell, Dallas 902

Caves, Kerby 895

Chambers, Benjamin 906

Cluff, Jessyca 923

Clymer, Sean 947

Cody, KC 849

Colby, William 852

Coleman, Jacob 987

Cooper, Jason 980

Covert, Ken 920

Cox, Charles 903

Croteau, Richard 869

Cumpton, Ray 954

Curtsinger, Brian 863

Deegan, Will 927

Dike, Jacob 928

Donahoo, Braydon 977

Doummi, Brahim 856

Eden, William 965

Eklund, Alexander 976

Eldridge, Wayne 893

13

Erisman, David 865

Fyffe, Nicholas 872

Gallion, Zachary 950

Gammel, Jessica 875

Gantenbein, Jared 915

Gaskins, Cory 988

Geary, Daphne 908

Goff, Jonathan 850

Gorton, Trish 857

Greenwald, Logan 951

Gross, Randy 966

Grow, Carrie 889

Gustafson, Kevin 967

Hacklin, Jay Dee 884

Hagens, Patrick 929

Hakert, Travis 881

Hansen, David 867

Heiland, Lisa 871

Henle, Chris 948

Huber, Raymond S. 935

Huddleston, Lyle 882

Hurley, Colton 930

Huxtable, Thomas 968

Jackman, Tom 883

Johnson, Bradley 978

Johnson, Brett 981

Johnson, Kenneth 921

Johnston, Ronald 958

Jones, Brian R. 937

Kannard, Robert 864

Kaper, Casey 909

Kawamoto, Mike 888

Kirschman, Jessie 866

Knapp, Charles 934

Knapp, Jerry D. 938

Knapp, Jerry Jacob 936

Kyle, Archie 848

Lamphere, Brian 960

Lane, Jason 991

Larson, Andrew 894

Lazarus, Jeffery 973

Lent, Jordan 931

Long, Steve 858

Lucero, Chris 892

Maher, Wade 949

Martin, Jeremiah 916

Mathews, Ralph 886

McCoin, Katie 944

McInerney, Deidre 878

Miller, Jason 932

14

Muehlfelder, Kurt 870

Nace, Challis 851

Nelson, Robert 887

Nelson, Timothy 922

Niemoth, Thomas 969

Nobach, Chad 940

Oedekoven, Tonya 945

Parker, Shawn 970

Peterson, Wendy 974

Ralls, Kyle 990

Ramirez, Carolina 946

Renfro, Dewayne 992

Rice, Charles 904

Rodriguez, Carlos 859

Rosier Jr., Robert 917

Rush, Todd 885

Ryan, Joseph 925

Salazar, Josh 860

Sandborn, Michael 933

Sanders, Scott 984

Sandstrom, Andrew 918

Scantlin, David 861

Schirmer, Cindy 896

Schomer, Desiree 874

Seidel, Jay 953

Seidel, Steve 955

Shahan, Michelle 910

Sierra, Mike 971

Smith, John 962

Smith, Matt 963

Stauffer, Jonathan 959

Stetter, Marvin 952

Stewart, Jennifer 897

Stouffer, Doug 983

Strickland, Ashley 982

Sumner, Shannon 989

Sutton, Jason 956

Teaver, Danielle 898

Thompson, Andrew 979

Thompson, John 900

Tindell, Billie Jo 901

Trouchon, Lusian 919

Trujillo, Angella 975

Wagner, Robert 924

Wagstaff, Troy 972

Walter, Robert 943

Weigum, Kade 899

Wells, Chris 985

Wells, Jeremy 926

Wendt, Kelvin 890

15

West, Brandon 880

Wheeler, Josh 964

Certifications awarded for 2013: 143

16

2013 - SAFETY AWARDS

I would like to commend and congratulate the following companies and their employees for having worked the entire year of 2013, for 10,000 or more manhours, with no lost time accidents.

OPERATIONS MANHOURS

Cloud Peak Energy LLC/Cordero Rojo Mine - Cordero Rojo Mine 1,369,602

Solvay Chemicals Inc. - Solvay Chemicals Inc. 976,962

Buckskin Mining Company - Buckskin Mine 698,501

Alpha Coal West, Inc. - Belle Ayr Mine 660,242

Peabody Caballo Coal, LLC - Rawhide Mine 419,331

Black Butte Coal Company - Black Butte Mine 386,879

Mountain Cement Company - Mountain Cement Plant #1 279,624

Rail Link, Inc. 255,944

Wyoming Machinery Company 238,453

Interstate Powersystems Inc. 236,017

Standard Laboratories, Inc. 179,964

G K Construction Inc 170,689

Western Fuels Wyoming, Inc. - Dry Fork Mine 161,270

Bentonite Performance Minerals, LLC - BPM Lovell Mill 148,528

Joy Global 141,625

American Colloid Company - Lovell Mill 131,766

SGS NA Minerals 125,391

Nelson Brothers Mining Services, LLC 124,372

The Industrial Co. of Wyoming 120,918

URS Energy and Construction 120,808

WESCO 119,928

Wyodak Resources Development Corporation - Wyodak Mine 118,604

Dennis M. McCoy & Sons, Inc. 106,643

American Colloid Company-Colony East - Colony East 98,657

17

OPERATIONS MANHOURS

Balfour Beatty Rail, Inc. 97,612

Industrial Services Inc 91,104

Securitas Security Services USA, Inc 80,154

Martin Marietta Materials - Granite Canyon Quarry 80,108

Manpower 77,908

Watco/Black Thunder Switching 77,352

Brahma Group, Inc. 74,145

Savage Transportation Services 72,216

Searle Brothers Construction 71,551

GCR Tire Center 71,115

Wyo-Ben, Inc. - Stucco Mill 67,984

Big Horn Tire, Inc 66,357

Slattery Enterprises,Inc. dba Paintbrush Services 66,228

Redi Services LLC 62,684

Mining Electrical Services, LLC 61,107

Croell Redi-Mix, Inc. - Croell Redi Mix Inc 60,205

Wyo-Ben, Inc. - Sage Creek Mill 55,083

ESCO Wright 49,400

Kilroy LLC - Mine ID X739 45,487

Redi Project Services LLC 43,296

Liebherr Mining Equipment 43,079

Bentonite Performance Minerals, LLC - Colony Mine 42,231

Black Hills Bentonite - Casper Plant/Office 41,648

American Colloid Company - Yellow Tail Mine 40,730

Degerstrom Converters 40,565

Wyo-Ben, Inc. - Lucerne Mill 40,317

Aulick Leasing Corporation 38,152

Black Hills Bentonite - Glenrock Mill 36,232

4N Trucking Inc. 34,827

18

OPERATIONS MANHOURS

SLS West, Inc. 33,888

Pete Lien & Sons, Inc. - 4801513 Wyoming Lime Products 32,523

Wyo-Ben, Inc. - Stucco Mines 32,500

L&H Industrial 32,446

Oftedal Construction Inc. 30,128

Martin Marietta Materials - Guernsey Quarry 29,884

JTL Group, Inc. dba Knife River - VR Pit 29,774

American Railcar Industries 28,800

Lewis & Lewis, Inc. - Lewis & Lewis, Inc. 28,247

Watco/ Solvay Chemicals 28,159

Hladky Construction, Inc. 27,735

FireMaster 27,528

New Electric Inc. 27,471

Earth Work Solutions 25,596

Black Hills Bentonite - Kaycee Mine 25,389

Mountain State Rail Services, Inc. 24,960

Buckley Powder 24,512

MK Weeden Construction, Inc. 23,884

Georgia Pacific Gypsum LLC - Gypsum Quarry #6 23,695

Fenner Dunlop Engineered Conveyor Solutions 23,641

JTL Group, Inc. dba Knife River - Star Pit #1 21,832

Bentonite Performance Minerals, LLC - BPM Lovell Mine 21,558

Pete Lien & Sons, Inc. - 4801705 Hunter Quarry 21,546

Mountain West Electric Inc. 20,257

Cate Equipment Company 20,184

Sharpe Drilling Company 20,020

GT Nix Construction Inc. 19,162

Simon Contractors - Crusher #1 18,225

Pete Lien & Sons, Inc. - 0503223 Portable Plant #1 17,704

19

OPERATIONS MANHOURS

Winkler Trucking Inc. 17,680

Evans Construction Company - Evans #1 Portable 17,538

Blair Electric Service Company 17,072

Arch of Wyoming, LLC - Seminoe II Mine 16,606

Wyoming Power Wash, Inc 16,362

Wright Mining Solutions, LLC 16,312

Eitel Trucking 16,149

SolvingTech Inc. 15,988

Fisher Sand & Gravel - Fisher Sand & Gravel 15,983

2M Construction, Inc. - 2M Construction, Inc. 15,399

Reno Rock Transport LLC 15,382

Mullinax Concrete Service Co Inc - Mullinax-Sand & Gravel Pit 15,101

Willits Company, Inc. - Harriman Quarry 14,809

L. D. Anderson, Inc. 14,722

Tom Nunn Drilling 13,500

REI Drilling Inc. 13,309

Total Mining & Exploration 12,940

Haystack Coal Company - Haystack Coal Company 12,141

Rogers Construction, Inc 12,084

Kilroy LLC - 48-01637 11,902

Mountain Cement Company - Mountain Cement Open Pit 11,737

Big Horn Redi Mix - Big Horn Redi Mix 11,386

HK Contractors, Inc. - 133 Crusher 10,556

Oftedal Construction Inc. - Crusher #1 10,484

Mtn States Contracting, Inc 10,448

Black Hawk Crane & Rigging Inc. 10,363

TOTAL 108

20

COAL PRODUCTION FROM 1912 THROUGH 2013

Year Tonnage Employees

1912 .................................................................................................... 7,341,141

1913 .................................................................................................... 7,095,652

1914 .................................................................................................... 7,221,772

1915 .................................................................................................... 6,268,990

1916 .................................................................................................... 7,696,344

1917 .................................................................................................... 8,789,514

1918 .................................................................................................... 9,417,269 7,723

1919 .................................................................................................... 8,166,008 7,725

1920 .................................................................................................... 9,589,274 8,166

1921 .................................................................................................... 8,303,479 8,037

1922 .................................................................................................... 5,976,474 9,192

1923 .................................................................................................... 7,587,676 7,511

1924 .................................................................................................... 6,715,554 7,210

1925 .................................................................................................... 6,557,576 6,364

1926 .................................................................................................... 6,495,815 5,912

1927 .................................................................................................... 5,738,561 5,081

1928 .................................................................................................... 6,553,174 5,639

1929 .................................................................................................... 6,690,779 4,768

1930 .................................................................................................... 6,070,796 4,868

1931 .................................................................................................... 5,000,366 4,675

1932 .................................................................................................... 4,163,419 4,236

1933 .................................................................................................... 4,004,602 3,792

1934 .................................................................................................... 4,376,791 3,778

1935 .................................................................................................... 5,165,289 4,090

1936 .................................................................................................... 5,791,202 4,751

1937 .................................................................................................... 5,950,230 4,996

1938 .................................................................................................... 5,219,054 4,868

1939 .................................................................................................... 5,411,072 4,287

1940 .................................................................................................... 5,350,702 4,321

1941 .................................................................................................... 6,670,808 4,506

1942 .................................................................................................... 8,154,861 4,776

1943 .................................................................................................... 9,237,729 4,675

1944 .................................................................................................... 9,559,593 4,585

1945 .................................................................................................... 9,836,798 4,814

1946 .................................................................................................... 7,616,681 4,500

1947 .................................................................................................... 8,054,751 4,348

1948 .................................................................................................... 6,408,302 4,212

1949 .................................................................................................... 5,972,640 3,814

1950 .................................................................................................... 6,341,899 3,598

1951 .................................................................................................... 6,288,157 3,187

1952 .................................................................................................... 6,106,949 2,903

1953 .................................................................................................... 5,243,715 2,788

1954 .................................................................................................... 2,833,353 1,532

1955 .................................................................................................... 2,921,563 979

1956 .................................................................................................... 2,555,452 1,016

21

1957 .................................................................................................... 2,118,366 634

1958 .................................................................................................... 1,631,234 587

1959 .................................................................................................... 1,976,597 479

1960 .................................................................................................... 2,004,147 439

1961 .................................................................................................... 2,520,258 446

1962 .................................................................................................... 2,574,560 449

1963 .................................................................................................... 3,126,942 371

1964 .................................................................................................... 3,103,798 380

1965 .................................................................................................... 3,257,314 327

1966 .................................................................................................... 3,670,505 356

1967 .................................................................................................... 3,588,649 332

1968 .................................................................................................... 3,694,213 352

1969 .................................................................................................... 4,605,994 448

1970 .................................................................................................... 7,380,921 621

1971 .................................................................................................... 8,007,765 727

1972 .................................................................................................... 10,920,468 943

1973 .................................................................................................... 14,840,857 1,179

1974 .................................................................................................... 20,649,754 1,411

1975 .................................................................................................... 23,784,128 2,038

1976 .................................................................................................... 31,085,412 2,511

1977 .................................................................................................... 44,046,842 3,314

1978 .................................................................................................... 58,174,825 3,928

1979 .................................................................................................... 71,445,178 5,265

1980 .................................................................................................... 94,986,433 6,231

1981 .................................................................................................... 102,695,536 6,015

1982 .................................................................................................... 107,954,583 5,681

1983 .................................................................................................... 112,187,874 5,401

1984 .................................................................................................... 130,745,779 5,336

1985 .................................................................................................... 140,424,446 5,275

1986 .................................................................................................... 135,403,347 4,671

1987 .................................................................................................... 146,488,648 4,423

1988 .................................................................................................... 163,588,200 4,533

1989 .................................................................................................... 171,140,004 4,560

1990 .................................................................................................... 184,005,701 4,623

1991 .................................................................................................... 193,863,806 4,663

1992 .................................................................................................... 189,470,256 4,648

1993 .................................................................................................... 209,925,826 4,562

1994 .................................................................................................... 236,908,067 4,572

1995 .................................................................................................... 263,938,023 4,374

1996 .................................................................................................... 278,424,956 4,398

1997 .................................................................................................... 281,481,516 4,303

1998 .................................................................................................... 314,962,091 4,335

1999 .................................................................................................... 336,459,938 4,606

2000 .................................................................................................... 338,852,148 4,414

2001 .................................................................................................... 368,878,135 4,532

2002 .................................................................................................... 373,195,431 4,684

2003 .................................................................................................... 376,565,247 4,788

2004 .................................................................................................... 395,425,278 5,345

2005 .................................................................................................... 404,488,858 5,330

2006 .................................................................................................... 444,880,617 6,030

22

2007 .................................................................................................... 452,134,704 6,469

2008 .................................................................................................... 466,319,331 6,760

2009 .................................................................................................... 432,481,322 6,822

2010 .................................................................................................... 442,061,036 6,869

2011 .................................................................................................... 438,380,012 7,000

2012 .................................................................................................... 401,457,074 6,902

2013 .................................................................................................... 387,995,072 6,516

23

2013 - COAL PRODUCTION BY COUNTY

Big Horn 26,587

Campbell 374,372,470

Carbon 0

Lincoln 4,639,135

Sweetwater 8,956,880

TOTAL 387,995,072

2013 - COAL BY MINING METHOD

Surface 383,552,456

Underground 4,442,616

TOTAL 387,995,072

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