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Table 03. EMPLOYEE HOURS worked at Metal/Nonmetal1Operations in the United States,

by Primary Activity, 1978-2007

 

 

 

Year

Underground Mines

Surface Mines

 

Underground

Surf at UG

Total

Strip

Dredge

Other

Total

1978

51,917,265

11,129,167

63,046,432

186,507,927

13,615,218

634,413

200,757,558

1979

55,008,651

12,759,917

67,768,568

197,176,068

13,762,372

572,432

211,510,872

1980

54,219,498

14,546,201

68,765,699

186,113,104

12,202,712

435,896

198,751,712

1981

54,479,694

15,500,805

69,980,499

171,686,415

10,567,275

75,758

182,329,448

1982

37,696,085

12,168,240

49,864,325

90,001,978

5,016,534

52,466

95,070,978

1983

28,016,685

8,778,966

36,795,651

134,346,777

9,329,281

608,212

144,284,270

1984

28,691,406

6,891,301

35,582,707

147,047,501

10,147,424

86,366

157,281,291

1985

25,657,418

6,390,370

32,047,788

148,696,396

10,438,947

34,162

159,169,505

1986

23,660,452

5,700,956

29,361,408

151,864,379

10,481,069

20,687

162,366,135

1987

23,413,382

5,982,871

29,396,253

157,241,685

10,937,348

50

168,179,083

1988

26,082,102

6,687,266

32,769,368

165,691,563

11,277,116

-

176,968,679

1989

26,407,000

7,471,065

33,878,065

169,883,092

10,963,708

-

180,846,800

1990

26,581,189

7,514,931

34,096,120

170,114,864

11,044,767

-

181,159,631

1991

24,557,730

6,763,054

31,320,784

161,890,532

10,525,776

-

172,416,308

1992

22,530,524

6,657,733

29,188,257

160,938,773

10,480,119

-

156,418,892

1993

20,903,782

6,109,737

27,013,519

163,644,226

10,718,383

152,202

174,514,811

1994

21,902,019

5,951,673

27,853,692

170,504,950

10,884,126

1,434,841

182,823,917

1995

23,123,280

6,266,783

29,390,063

177,325,764

10,880,022

1,703,595

189,909,381

1996

24,027,284

6,059,860

30,087,144

179,275,269

10,606,859

1,482,500

191,364,628

1997

24,214,790

5,752,396

29,967,186

181,957,239

10,823,476

1,224,897

194,005,612

1998

23,519,861

5,165,287

28,685,148

187,717,623

10,713,392

731,001

194,162,016

1999

21,749,167

4,633,229

26,382,396

186,799,892

10,842,476

990,708

198,633,076

2000

20,448,008

5,641,181

26,089,189

183,884,215

10,773,790

627,808

195,245,813

2001

20,423,292

4,406,239

24,829,531

179,203,469

10,490,800

332,595

190,026,864

2002

17,392,935

3,596,342

20,989,277

171,453,449

10,088,450

211,432

181,753,331

2003

17,012,578

3,763,716

20,776,294

170,061,067

10,534,777

185,097

180,780,941

2004

18,185,275

4,390,532

22,575,804

179,935,564

11,047,861

253,224

191,236,649

2005

19,545,554

4,888,886

24,434,440

188,836,115

11,567,368

351,886

200,755,369

2006

21,091,097

5,359,264

26,450,361

199,501,813

11,564,955

441,006

211,507,774

2007

23,825,204

6,078,554

29,903,758

203,984,510

10,991,597

457,068

215,433,175

 

All numbers include contractors.

1Includes stone, sand and gravel operations.


Table 03. EMPLOYEE HOURS worked at Metal/Nonmetal1Operations in the United States,

by Primary Activity, 1978-2007 continued:

 

 

Year

Total Mining

Indp Shops/Yrds

Mills

Total w/o Office

Office

Grand Total

1978

263,803,990

6,031,993

200,743,268

470,579,251

67,855,317

538,434,568

1979

279,279,440

5,161,573

210,765,320

495,206,333

70,761,906

565,968,239

1980

267,517,411

3,072,134

200,710,607

471,300,152

69,810,949

541,111,101

1981

252,309,947

3,257,058

199,263,265

454,830,270

68,019,278

522,849,548

1982

144,935,303

1,653,389

112,649,537

259,238,229

43,893,146

303,131,375

1983

181,079,921

2,013,394

144,554,382

327,647,697

52,785,709

380,433,406

1984

192,863,998

2,525,848

151,750,631

347,140,477

51,433,284

398,573,761

1985

191,217,293

2,065,004

146,589,486

339,871,783

49,622,297

389,494,080

1986

191,727,543

1,494,640

139,698,120

332,920,303

48,479,479

381,399,782

1987

197,575,336

1,587,722

145,241,698

344,404,756

49,325,585

393,730,341

1988

209,738,047

1,229,809

156,970,696

367,938,552

51,059,528

418,998,080

1989

214,724,865

1,247,893

161,176,616

377,149,374

53,101,363

430,250,737

1990

215,255,751

1,198,058

160,165,736

376,619,545

53,244,515

429,864,060

1991

203,737,092

1,132,953

156,022,296

360,892,341

52,575,649

413,467,990

1992

200,607,149

1,106,831

150,212,722

351,926,702

52,133,679

404,060,381

1993

201,528,330

1,066,417

147,296,458

349,891,205

49,654,019

399,545,224

1994

210,677,609

1,305,880

149,314,750

361,298,239

50,298,807

411,597,046

1995

219,299,444

1,504,357

153,202,781

374,006,582

50,390,928

424,397,510

1996

221,451,772

1,467,231

156,713,030

379,632,033

50,727,965

430,359,998

1997

223,972,798

1,360,494

157,779,708

383,113,000

51,558,622

434,668,622

1998

222,847,164

1,320,287

157,288,780

381,456,231

51,762,025

433,218,256

1999

225,015,472

1,167,448

155,242,670

381,425,590

50,999,898

432,425,488

2000

221,335,002

1,140,701

157,755,357

380,231,060

51,151,010

431,382,070

2001

214,856,395

1,070,678

147,358,353

363,285,426

48,919,898

412,205,324

2002

202,742,608

1,068,052

131,423,752

335,234,412

47,076,474

382,310,886

2003

201,557,235

1,019,450

128,159,224

330,735,909

46,398,629

377,134,538

2004

213,812,456

1,103,388

131,060,298

345,976,142

47,191,926

393,168,068

2005

225,189,809

1,194,298

136,185,892

362,569,999

48,166,512

410,736,511

2006

237,958,135

994,072

138,841,934

377,794,141

49,575,666

427,369,807

2007

245,336,933

1,013,561

143,399,366

389,749,860

51,763,016

441,512,876

 

All numbers include contractors.

1Includes stone, sand and gravel operations.