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Table 03. Average Number of Employees at Coal Mines in the United States, by Primary Activity, 1978-2007

 

 

Year

Underground Mines

Surface Mines

 

Underground

Surf at UG

Total

Strip

Auger

Culm Bank

Dredge

Total

1978

128,076

15,917

143,993

74,227

1,059

361

21

75,668

1979

132,928

15,997

148,925

73,244

636

362

44

74,286

1980

127,169

15,480

142,649

70,776

584

360

70

71,790

1981

121,702

15,603

137,305

72,062

793

342

120

73,317

1982

118,760

14,115

132,875

69,972

597

409

111

71,089

1983

89,803

11,681

101,484

63,306

592

363

114

64,375

1984

93,554

11,823

105,377

67,622

563

368

120

68,673

1985

89,073

11,959

101,012

62,516

628

382

126

63,652

1986

82,643

11,513

94,156

59,404

611

479

109

60,603

1987

75,297

10,502

85,799

56,886

884

516

169

58,455

1988

71,775

10,194

81,969

54,753

910

486

186

56,335

1989

69,589

10,612

80,201

53,518

900

532

187

55,137

1990

70,955

11,486

82,441

54,940

874

607

147

56,568

1991

64,591

11,784

76,375

5l,752

872

648

118

53,390

1992

60,378

11,616

71,994

50,487

957

671

109

52,224

1993

52,427

11,699

64,126

48,365

767

1,196

83

50,411

1994

53,936

11,423

65,359

48,771

884

797

112

50,564

1995

49,437

10,385

59,822

44,918

867

759

93

46,637

1996

46,819

10,086

56,905

43,550

1,027

809

245

45,631

1997

45,755

10,114

55,869

44,152

1,179

896

147

46,374

1998

44,240

9,044

53,284

43,457

1,102

753

293

45,605

1999

40,248

8,813

49,061

41,532

1,192

621

147

43,492

2000

37,663

8,470

46,133

39,537

948

673

196

41,354

2001

39,667

8,727

48,394

42,271

1,175

772

161

44,379

2002

38,075

8,540

46,615

41,315

1,077

694

116

43,202

2003

35,408

8,221

43,629

39,326

782

610

146

40,864

2004

37,187

8,095

45,282

41,206

867

765

113

42,951

2005

40,940

8,455

49,395

43,214

982

906

168

45,270

2006

43,015

9,182

52,197

45,583

993

936

112

47,624

2007

42,989

9,398

52,387

45,112

908

1,009

197

47,226

 

 

 

 

 

 

 

 

 

 


 

Table 03. Average Number of Employees at Coal Mines in the United States, by Primary Activity, 1978-2007continued:

 

 

 

Year

Total Mining

Indp Shops/Yrds

Prep Plants

Total w/o Office

Office

Grand Total

1978

219,661

3,910

22,088

245,659

9,929

255,588

1979

223,211

4,011

23,004

250,226

10,203

260,429

1980

214,439

3,805

23,904

242,148

10,859

253,007

1981

210,622

3,494

24,441

238,557

11,181

249,738

1982

203,964

3,232

22,831

230,027

11,427

241,454

1983

165,859

3,205

19,921

188,985

11,214

200,199

1984

174,050

3,073

20,474

197,597

10,563

208,160

1985

164,684

2,045

20,124

186,853

10,196

197,049

1986

154,759

1,761

19,080

175,600

9,567

185,167

1987

144,254

1,544

18,007

163,805

8,975

172,780

1988

138,304

1,155

17,720

157,179

9,099

166,278

1989

135,338

1,066

18,925

155,329

9,600

164,929

1990

139,009

1,118

19,650

159,777

8,848

168,625

1991

129,765

1,114

19,228

150,107

8,570

158,677

1992

124,218

1,072

18,841

144,131

8,997

153,128

1993

114,537

933

17,065

132,535

8,648

141,183

1994

115,923

981

18,614

135,518

8,127

143,645

1995

106,459

1,023

16,583

124,065

8,046

132,111

1996

102,536

841

15,962

119,339

7,112

126,451

1997

102,243

524

16,276

119,043

7,386

126,429

1998

98,889

622

15,799

115,310

6,773

122,083

1999

92,553

649

15,042

108,244

6,245

114,489

2000

87,487

575

14,229

102,291

5,807

108,098

2001

92,773

589

15,034

108,396

6,062

114,458

2002

89,817

612

14,937

105,366

5,600

110,966

2003

84,493

627

14,238

99,358

5,466

104,824

2004

88,233

780

14,239

103,252

5,482

108,734

2005

94,665

858

15,397

110,920

5,516

116,436

2006

99,821

1,045

16,584

117,450

5,525

122,975

2007

99,613

892

16,577

117,082

5,854

122,936

 

All numbers include contractors.