Mine Safety and Health Administration (MSHA) - Mining Industry Accident, Injuries, Employment,and Production Statistics Historical Data - Table 02. Average Number of EMPLOYEES at Stone Operations in the United States, by Primary Activity, 1978-2007

Table 02. Average Number of EMPLOYEES at Stone Operations

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

	Underground Mines			Surface Mines
Year	Underground	Surf at UG	Total	Strip	Dredge	Other	Total
1978	1,882	528	2,410	35,657	342	-	35,999
1979	1,921	479	2,400	38,731	371	-	39,102
1980	1,876	434	2,310	37,402	296	-	37,698
1981	1,649	432	2,081	34,069	323	-	34,392
1982	1,474	450	1,924	29,039	201	-	29,240
1983 [1]	1,357	411	1,768	29,336	151	-	29,487
1984	1,494	396	1,890	30,917	184	-	31,101
1985	1,435	432	1,867	31,823	237	-	32,060
1986	1,470	361	1,831	31,428	199	-	31,627
1987	1,486	392	1,878	31,074	217	-	31,291
1988	1,469	452	1,921	30,970	147	-	31,117
1989	1,537	482	2,019	29,746	166	-	29,912
1990	1,547	492	2,039	28,949	178	-	29,127
1991	1,495	449	1,944	27,521	111	-	27,632
1992	1,504	489	1,993	27,465	85	-	27,550
1993	1,535	454	1,989	27,843	87	-	27,930
1994	1,617	339	1,956	29,282	97	-	29,379
1995	1,617	323	1,940	28,928	100	-	29,028
1996	1,582	290	1,872	28,225	108	-	28,333
1997	1,650	289	1,939	29,010	95	-	29,105
1998	1,727	334	2,061	30,024	54	-	30,078
1999	1,743	356	2,099	31,221	42	-	31,263
2000	1,816	415	2,231	32,030	71	5	32,106
2001	1,810	419	2,229	32,222	89	-	32,311
2002	1,829	453	2,282	35,533	60	-	32,593
2003	1,746	372	2,118	32,425	54	-	32,479
2004	1,768	408	2,176	32,968	37	-	33,005
2005	1,889	363	2,252	34,263	27	-	34,290
2006	1,877	424	2,301	35,464	24	-	35,488
2007	1,845	446	2,291	35,391	31	-	35,422

Table 02. Average Number of EMPLOYEES at Stone Operations

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	38,409	325	45,427	84,161	11,870	96,031
1979	41,502	298	48,370	90,170	12,482	102,652
1980	40,008	214	46,969	87,191	12,487	99,678
1981	36,473	165	43,792	80,430	11,861	92,291
1982	31,164	155	36,762	68,081	10,928	79,009
1983 1/	31,255	139	35,640	67,034	10,694	77,728
1984	32,991	146	36,797	69,934	11,014	80,948
1985	33,927	159	36,703	70,789	11,031	81,820
1986	33,458	144	35,629	69,231	11,049	80,280
1987	33,169	163	35,313	68,645	10,690	79,335
1988	33,038	233	36,075	69,346	10,675	80,021
1989	31,931	229	35,658	67,818	10,963	78,781
1990	31,166	205	35,486	66,857	11,089	77,946
1991	29,576	169	34,080	63,825	10,971	74,796
1992	29,543	178	33,393	63,114	10,914	74,028
1993	29,919	169	33,088	63,176	11,013	74,189
1994	31,335	262	33,030	64,627	10,723	75,350
1995	30,968	283	34,083	65,334	10,604	75,938
1996	30,205	298	34,953	65,456	10,563	76,019
1997	31,044	289	35,417	66,750	10,840	77,590
1998	32,139	283	36,077	68,499	11,078	79,577
1999	33,362	263	36,105	69,730	11,683	81,413
2000	34,337	239	36,040	70,616	11,763	82,379
2001	34,540	248	35,342	70,130	11,457	81,587
2002	34,875	265	33,703	68,843	11,711	80,554
2003	34,597	259	33,181	68,037	11,370	79,407
2004	35,181	299	32,937	68,417	11,189	79,606
2005	36,542	289	32,928	69,759	11,246	81,005
2006	37,789	274	33,090	71,153	11,430	82,583
2007	37,713	273	32,925	70,911	11,807	82,718

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