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Table 03. Average Number of Employees at Bituminous Coal

Mines in the United States, by Primary Activity, 1978-2007

 

 

Underground Mines

Surface Mines

Year

Underground

Surf at UG

Total

Strip

Auger

Culm Bank

Dredge

Total

1978

127,608

15,834

143,442

72,938

1,059

155

14

74,166

1979

132,512

15,939

148,451

72,181

636

141

37

72,995

1980

126,743

15,424

142,167

69,358

584

158

62

70,162

1981

121,220

15,525

136,745

70,546

793

150

111

71,600

1982

118,247

14,025

132,272

68,560

597

237

100

69,494

19831

88,561

9,880

98,441

56,743

446

120

89

57,389

1984

92,231

9,849

102,080

59,476

438

140

83

60,137

1985

87,423

9,476

96,899

55,421

481

104

82

56,088

1986

81,236

9,178

90,414

52,273

382

166

68

52,889

1987

74,134

8,156

82,290

49,265

648

179

82

50,174

1988

70,472

7,806

78,278

46,257

720

209

86

47,272

1989

67,981

7,503

75,484

43,905

699

222

101

44,927

1990

68,851

7,510

76,361

44,266

616

203

93

45,178

1991

62,427

6,934

69,361

40,796

563

171

86

41,616

1992

57,768

6,349

64,117

37,964

754

166

60

38,944

1993

49,525

5,682

55,207

34,633

508

170

41

35,352

1994

51,099

5,171

56,270

35,091

673

167

55

35,986

1995

46,929

4,581

51,510

32,176

665

137

46

33,024

1996

44,256

4,209

48,465

29,664

792

117

53

30,626

1997

42,924

4,059

46,983

29,485

815

123

60

30,483

1998

40,938

3,887

44,825

28,430

839

138

77

29,484

1999

37,114

3,494

40,608

27,078

820

95

79

28,072

2000

34,131

3,222

37,353

24,688

648

138

92

25,566

2001

35,516

3,266

38,782

26,811

717

160

72

27,760

2002

34,278

3,009

37,287

27,064

734

147

56

28,001

2003

32,098

2,706

34,804

25,956

561

149

61

26,727

2004

33,399

2,613

36,012

26,928

624

225

56

27,833

2005

36,611

2,646

39,257

28,579

680

262

37

29,558

2006

38,162

2,844

41,006

30,118

801

271

35

31,225

2007

37,743

2,933

40,676

28,953

779

268

40

30,040

 

1Beginning in 1983, only operator data are available at this level of detail.

 


Table 03. Average Number of Employees at Bituminous Coal

Mines in the United States, by Primary Activity, 1978-2007 continued:

 

Year

Total Mining

Indp Shops/Yrds

Prep Plants

Total w/o Office

Office

Grand Total

1978

217,608

3,850

21,142

242,600

9,811

252,411

1979

221,446

3,972

22,136

247,554

10,098

257,652

1980

212,329

3,725

22,801

238,855

10,744

249,599

1981

208,345

3,411

23,302

235,058

11,059

246,117

1982

201,766

3,173

21,690

226,629

11,285

237,914

19831

155,839

2,541

16,485

174,865

10,179

185,044

1984

162,217

2,333

17,234

181,784

9,794

191,578

1985

152,987

1,996

16,291

171,274

9,309

180,583

1986

143,303

1,700

15,487

160,490

8,759

169,249

1987

132,464

1,499

14,554

148,517

7,984

156,501

1988

125,550

1,108

14,334

140,992

7,761

148,753

1989

120,411

1,006

14,193

135,610

7,563

143,173

1990

121,539

1,069

14,258

136,866

7,354

144,220

1991

110,977

1,073

13,525

125,575

6,859

132,434

1992

103,061

954

12,727

116,742

6,568

123,310

1993

90,559

850

11,214

102,623

6,355

108,978

1994

92,256

848

11,529

104,633

5,995

110,628

1995

84,534

684

10,403

95,621

5,596

101,217

1996

79,091

531

9,875

89,497

4,971

94,468

1997

77,466

466

9,275

87,207

4,779

91,986

1998

74,309

472

9,005

83,786

4,264

88,050

1999

68,680

439

8,282

77,401

3,787

81,188

2000

62,919

508

7,640

71,067

3,405

74,472

2001

66,542

497

7,940

74,979

3,482

78,461

2002

65,288

456

8,015

73,759

3,345

77,104

2003

61,531

457

7,497

69,485

3,268

72,753

2004

63,845

420

7,746

72,011

3,350

75,361

2005

68,815

412

8,066

77,293

3,507

80,800

2006

72,231

418

8,341

80,990

3,595

84,585

2007

70,716

430

8,166

79,312

3,597

82,909

 

1Beginning in 1983, only operator data are available at this level of detail.