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Table 04. Number of HOURS WORKED at Anthracite 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

558,726

98,293

657,019

1,654,513

-

213,479

11,110

1,879,102

1979

527,592

74,026

601,618

1,725,213

-

255,727

9,672

1,990,612

1980

579,369

81,842

661,211

2,406,968

-

246,033

10,540

2,663,541

1981

629,242

104,386

733,628

2,539,566

-

231,181

13,311

2,784,058

1982

687,717

111,971

799,688

2,465,404

-

236,306

16,537

2,718,247

19831

563,168

100,113

663,281

1,808,340

-

233,166

17,068

2,058,574

1984

604,214

119,145

723,359

1,775,315

-

240,431

18,357

2,034,103

1985

586,909

126,599

713,508

1,505,021

-

259,912

12,879

1,777,812

1986

661,682

156,109

817,791

1,694,776

-

332,931

13,326

2,041,033

1987

515,001

157,666

672,667

1,156,455

-

318,529

6,538

1,481,522

1988

482,136

161,204

643,340

1,060,923

-

237,948

4,357

1,303,228

1989

442,919

139,985

582,904

1,172,247

-

250,117

5,615

1,427,979

1990

394,939

123,144

518,083

1,318,132

-

387,092

3,135

1,708,359

1991

354,168

108,207

462,375

1,174,713

-

389,374

5,200

1,569,287

1992

336,142

116,282

452,424

1,154,779

-

491,207

4,378

1,650,364

1993

294,225

96,603

390,828

949,750

-

658,822

4,838

1,613,410

1994

271,744

83,030

354,774

1,002,527

-

505,007

6,340

1,513,874

1995

291,758

90,431

322,189

965,144

-

548,490

4,340

1,517,974

1996

281,344

73,351

354,695

1,045,895

-

548,079

2,690

1,596,664

1997

261,742

87,096

348,838

1,182,054

-

492,529

2,340

1,676,923

1998

255,240

88,748

343,988

1,167,802

-

430,399

-

1,598,201

1999

216,290

81,515

297,805

1,154,187

-

292,852

-

1,447,039

2000

158,515

64,303

222,818

980,510

-

357,112

-

1,337,622

2001

196,225

61,162

257,387

661,484

-

278,957

-

940,441

2002

173,231

59,637

232,868

661,266

-

208,273

-

869,539

2003

153,085

59,195

212,280

687,333

-

201,631

-

888,964

2004

149,429

59,332

208,761

741,869

-

230,875

-

972,744

2005

139,723

61,029

200,752

739,352

-

293,261

-

1,032,613

2006

143,605

61,564

205,169

649,810

-

295,779

-

945,589

2007

140,987

44,589

185,576

744,227

-

304,376

-

1,048,603


 

Table 04. Number of HOURS WORKED at Anthracite 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

2,536,121

99,911

1,442,946

4,078,978

176,978

4,255,956

1979

2,592,230

68,430

1,605,785

4,266,445

183,985

4,450,430

1980

3,324,752

132,637

1,964,695

5,422,084

183,842

5,605,926

1981

3,517,686

145,991

1,941,857

5,605,534

194,824

5,800,358

1982

3,517,935

97,361

1,873,918

5,489,214

209,240

5,698,454

19831

2,721,855

68,121

1,403,303

4,193,279

218,525

4,411,804

1984

2,757,462

89,356

1,612,126

4,458,944

230,847

4,689,791

1985

2,491,320

96,655

1,500,675

4,088,650

243,753

4,332,403

1986

2,858,824

103,319

1,557,413

4,519,556

253,740

4,773,296

1987

2,154,189

80,346

1,427,181

3,661,716

192,918

3,854,634

1988

1,946,568

81,118

1,368,936

3,396,622

180,809

3,577,431

1989

2,010,883

69,468

1,312,938

3,393,289

170,544

3,563,833

1990

2,226,442

79,365

1,387,275

3,693,082

204,525

3,897,607

1991

2,031,662

74,294

1,244,296

3,350,252

200,885

3,551,137

1992

2,102,788

42,563

1,132,962

3,278,313

217,780

3,496,093

1993

2,004,238

41,342

1,067,928

3,113,508

226,880

3,340,388

1994

1,868,648

54,758

1,126,740

3,050,146

230,701

3,280,847

1995

1,900,163

47,985

1,020,237

2,968,385

231,456

3,199,841

1996

1,951,359

20,593

1,082,254

3,054,206

245,377

3,299,583

1997

2,025,761

10,891

1,119,644

3,156,296

229,680

3,385,976

1998

1,942,189

10,158

1,032,304

2,984,651

245,259

3,229,910

1999

1,744,844

5,668

1,098,384

2,848,896

246,660

3,095,556

2000

1,560,440

-

1,029,865

2,590,305

218,362

2,808,667

2001

1,197,828

-

879,270

2,077,098

185,860

2,262,958

2002

1,102,407

5,906

829,704

1,938,017

186,406

2,124,423

2003

1,101,244

-

735,518

1,836,762

193,867

2,030,629

2004

1,181,505

-

703,337

1,884,842

187,800

2,072,642

2005

1,233,365

-

672,870

1,906,235

176,786

2,083,021

2006

1,150,758

-

677,986

1,828,744

178,870

2,007,614

2007

1,234,179

-

712,321

1,946,500

206,181

2,152,681

 

 

 

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

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