Table 03. EMPLOYEE HOURS worked at Sand
and Gravel Operations in the
by Pri
SURFACE MINES |
|||||
Year |
Strip |
Dredge |
Total w/o Office |
Office |
Grand Total |
1978 |
51,579,622 |
11,919,502 |
63,499,124 |
9,175,268 |
72,674,392 |
1979 |
54,058,767 |
12,047,996 |
66,106,763 |
9,281,347 |
75,388,110 |
1980 |
49,065,895 |
10,630,737 |
59,696,632 |
8,937,062 |
68,633,694 |
1981 |
42,247,365 |
9,078,120 |
51,325,485 |
8,222,153 |
59,547,638 |
1982 |
19,694,121 |
4,027,351 |
23,721,472 |
3,828,853 |
27,550,325 |
1983 1/ |
39,469,317 |
8,069,388 |
47,538,705 |
7,613,469 |
55,152,174 |
1984 |
43,821,731 |
8,454,774 |
52,276,505 |
8,113,256 |
60,389,761 |
1985 |
46,739,822 |
8,485,261 |
55,225,083 |
8,549,730 |
63,774,813 |
1986 |
49,324,791 |
8,558,449 |
57,883,240 |
8,889,523 |
66,772,763 |
1987 |
50,233,740 |
9,022,771 |
59,256,511 |
9,442,772 |
68,699,283 |
1988 |
50,981,758 |
9,379,164 |
60,360,922 |
9,723,607 |
70,084,529 |
1989 |
51,108,529 |
9,179,750 |
60,288,279 |
9,952,315 |
70,240,594 |
1990 |
50,306,955 |
9,548,144 |
59,855,099 |
10,047,213 |
69,902,312 |
1991 |
46,256,443 |
9,155,976 |
55,412,419 |
9,569,394 |
64,981,813 |
1992 |
46,261,833 |
9,210,601 |
55,472,434 |
9,500,654 |
64,973,088 |
1993 |
46,980,157 |
9,474,952 |
56,455,109 |
9,392,121 |
65,847,230 |
1994 |
49,096,503 |
9,824,191 |
58,920,694 |
9,372,980 |
68,293,674 |
1995 |
49,560,452 |
9,666,465 |
59,226,917 |
9,346,484 |
68,573,401 |
1996 |
50,877,799 |
9,123,295 |
60,001,094 |
9,313,845 |
69,314,939 |
1997 |
52,723,419 |
9,372,539 |
62,095,958 |
9,465,320 |
71,561,278 |
1998 |
55,543,921 |
9,656,729 |
65,200,650 |
9,786,082 |
74,986,732 |
1999 |
58,943,787 |
9,779,580 |
68,723,367 |
10,144,183 |
78,867,550 |
2000 |
58,364,286 |
9,663,508 |
68,027,794 |
10,067,772 |
78,095,566 |
2001 |
57,665,819 |
9,421,099 |
67,086,918 |
9,864,511 |
76,951,429 |
2002 |
56,174,648 |
9,332,106 |
65,506,754 |
9,791,248 |
75,298,002 |
2003 |
55,449,745 |
9,503,915 |
64,953,660 |
9,820,550 |
74,774,210 |
2004 |
56,268,999 |
10,458,369 |
66,727,368 |
9,889,027 |
76,616,395 |
2005 |
57,635,799 |
10,879,771 |
68,515,570 |
9,911,272 |
78,426,842 |
2006 |
58,835,484 |
10,863,959 |
69,699,443 |
9,892,418 |
79,591,861 |
2007 |
56,663,169 |
10,163,449 |
66,826,618 |
9,853,821 |
76,680,439 |
1/ Beginning in 1983,
only operator data are available at this level of detail.