Table 03. EMPLOYEE HOURS worked at Stone Operations
in the
|
Underground Mines Surface Mines |
|||||||
Year |
Underground |
Surf
at UG |
Total |
Strip |
Dredge |
Other |
Total |
|
1978 |
3,736,533 |
910,730 |
4,647,263 |
65,622,643 |
851,478 |
- |
66,474,121 |
|
1979 |
3,871,446 |
963,214 |
4,834,660 |
69,494,907 |
997,678 |
- |
70,492,585 |
|
1980 |
3,553,234 |
836,941 |
4,390,175 |
65,778,342 |
873,708 |
- |
66,652,050 |
|
1981 |
3,149,931 |
822,918 |
3,972,849 |
56,692,442 |
812,182 |
- |
57,504,624 |
|
1982 |
2,730,503 |
811,226 |
3,541,729 |
26,468,945 |
269,333 |
- |
26,738,278 |
|
1983 1/ |
2,578,560 |
728,117 |
3,306,677 |
52,143,546 |
320,188 |
- |
52,463,734 |
|
1984 |
2,862,197 |
774,821 |
3,637,018 |
56,537,983 |
416,187 |
- |
56,954,170 |
|
1985 |
2,799,062 |
821,363 |
3,620,425 |
58,747,865 |
580,276 |
- |
59,328,141 |
|
1986 |
2,916,982 |
726,095 |
3,643,077 |
61,245,897 |
527,495 |
- |
61,773,392 |
|
1987 |
2,885,904 |
743,435 |
3,629,339 |
61,462,075 |
511,203 |
- |
61,973,278 |
|
1988 |
3,007,123 |
824,878 |
3,832,001 |
60,942,035 |
384,136 |
- |
61,326,171 |
|
1989 |
3,029,414 |
830,957 |
3,860,371 |
57,909,215 |
372,017 |
- |
58,281,232 |
|
1990 |
3,123,546 |
909,863 |
4,033,409 |
56,628,199 |
358,714 |
- |
56,986,913 |
|
1991 |
2,929,923 |
870,739 |
3,800,662 |
51,754,519 |
211,493 |
- |
51,966,002 |
|
1992 |
3,024,659 |
904,791 |
3,929,450 |
52,625,149 |
148,559 |
- |
52,773,708 |
|
1993 |
3,092,881 |
882,066 |
3,974,947 |
54,557,746 |
174,051 |
- |
54,731,797 |
|
1994 |
3,391,409 |
717,977 |
4,109,386 |
57,567,156 |
195,881 |
- |
57,763,037 |
|
1995 |
3,423,888 |
624,586 |
4,048,474 |
57,718,063 |
162,031 |
- |
57,880,094 |
|
1996 |
3,438,121 |
603,153 |
4,041,274 |
56,448,940 |
209,394 |
- |
56,658,334 |
|
1997 |
3,619,880 |
612,289 |
4,232,169 |
57,721,111 |
157,415 |
- |
57,878,526 |
|
1998 |
3,852,906 |
634,385 |
4,487,291 |
60,585,553 |
77,462 |
- |
60,663,015 |
|
1999 |
3,905,514 |
704,183 |
4,609,697 |
62,779,296 |
57,034 |
- |
62,836,330 |
|
2000 |
3,957,707 |
786,822 |
4,744,529 |
63,018,404 |
65,367 |
1,844 |
63,085,615 |
|
2001 |
3,850,874 |
829,542 |
4,680,416 |
62,715,700 |
78,232 |
- |
62,793,932 |
|
2002 |
3,750,888 |
901,869 |
4,652,757 |
62,550,638 |
82,790 |
- |
62,633,428 |
|
2003 |
3,699,273 |
791,960 |
4,491,233 |
63,099,914 |
125,332 |
- |
63,225,246 |
|
2004 |
3,900,525 |
793,463 |
4,693,988 |
65,832,847 |
76,092 |
- |
65,908,939 |
|
2005 |
4,280,859 |
815,144 |
5,096,003 |
69,430,991 |
56,611 |
|
69,487,602 |
|
2006 |
4,308,724 |
947,646 |
5,256,370 |
71,156,840 |
61,155 |
- |
71,217,995 |
|
2007 |
4,126,528 |
947,080 |
5,073,608 |
68,860,812 |
67,146 |
- |
68,927,958 |
|
1/ Beginning in 1983, only operator data are
available at this level of detail.
Table 03. EMPLOYEE HOURS worked at Stone Operations
in the
Year |
Total
Mining |
Indp
Shops/Yrds |
Mills |
Total
w/o Office |
Office |
Grand
Total |
1978 |
71,121,384 |
724,116 |
92,198,607 |
164,044,107 |
22,506,017 |
186,550,124 |
1979 |
75,327,245 |
631,402 |
97,107,907 |
173,066,554 |
23,954,264 |
197,020,818 |
1980 |
71,042,225 |
496,383 |
92,081,904 |
163,620,512 |
23,976,355 |
187,596,867 |
1981 |
61,477,473 |
382,944 |
82,996,842 |
144,857,259 |
22,041,805 |
166,899,064 |
1982 |
30,280,007 |
169,091 |
36,276,597 |
66,725,695 |
10,716,137 |
77,441,832 |
1983 1/ |
55,770,411 |
283,019 |
70,168,956 |
126,222,386 |
20,068,277 |
146,290,663 |
1984 |
60,591,188 |
328,051 |
74,338,544 |
135,257,783 |
20,797,196 |
156,054,979 |
1985 |
62,948,566 |
360,940 |
73,941,891 |
137,251,397 |
20,810,480 |
158,061,877 |
1986 |
65,416,469 |
336,587 |
72,853,842 |
138,606,898 |
21,264,651 |
159,971,549 |
1987 |
65,602,617 |
399,520 |
73,677,650 |
139,679,787 |
21,008,293 |
160,688,080 |
1988 |
65,158,172 |
449,463 |
74,862,975 |
140,470,610 |
20,735,582 |
161,206,192 |
1989 |
62,141,603 |
483,244 |
74,528,335 |
137,153,182 |
21,074,826 |
158,228,008 |
1990 |
61,020,322 |
433,377 |
73,794,663 |
135,248,362 |
21,000,041 |
156,248,403 |
1991 |
55,766,664 |
367,723 |
69,723,952 |
125,858,339 |
20,238,578 |
146,096,917 |
1992 |
56,703,158 |
373,441 |
68,561,308 |
125,637,907 |
20,308,961 |
145,946,868 |
1993 |
58,706,744 |
347,048 |
69,693,489 |
128,747,281 |
20,377,510 |
149,124,791 |
1994 |
61,872,423 |
552,503 |
70,087,122 |
132,512,048 |
20,278,723 |
152,790,771 |
1995 |
61,938,568 |
607,209 |
72,628,231 |
135,164,008 |
20,080,041 |
155,244,049 |
1996 |
60,699,608 |
692,727 |
75,053,451 |
136,445,786 |
20,251,409 |
156,697,195 |
1997 |
62,110,695 |
625,072 |
76,426,346 |
139,162,113 |
20,567,253 |
159,729,366 |
1998 |
65,150,306 |
631,131 |
77,671,119 |
143,452,556 |
21,315,997 |
164,768,553 |
1999 |
67,446,027 |
542,248 |
77,966,379 |
145,954,654 |
21,817,699 |
167,772,353 |
2000 |
67,830,144 |
479,723 |
77,861,674 |
146,171,541 |
22,369,717 |
168,541,258 |
2001 |
67,474,348 |
484,445 |
76,180,454 |
144,139,247 |
21,912,459 |
166,051,706 |
2002 |
67,286,185 |
480,454 |
71,962,500 |
139,729,139 |
21,997,433 |
161,726,572 |
2003 |
67,716,479 |
494,256 |
70,267,551 |
138,478,286 |
21,530,831 |
160,009,117 |
2004 |
70,602,927 |
627,702 |
71,074,984 |
142,305,613 |
21,155,914 |
163,461,527 |
2005 |
74,583,605 |
624,943 |
72,091,724 |
147,300,272 |
21,319,109 |
168,619,381 |
2006 |
76,474,365 |
558,100 |
72,070,847 |
149,103,312 |
21,700,178 |
170,803,490 |
2007 |
74,001,566 |
520,802 |
69,889,975 |
144,412,343 |
22,096,430 |
166,508,773 |
1/ Beginning in 1983,
only operator data are available at this level of detail.