Number of active mines by sector, 2020

Keywords: Mine operators
Sand & gravelStoneCoalNonmetalMetal01000200030004000500060007000Number of Mines6,251 (49.17 %)4,281 (33.67 %)1,009 (7.94 %)895 (7.04 %)278 (2.19 %)
Sector Number of Mines
Sand & gravel 6,251
Stone 4,281
Coal 1,009
Nonmetal 895
Metal 278
Note: Active mines are those mines that reported any employee hours during the year. Data Source: MSHA
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Content source: National Institute for Occupational Safety and Health, Mining Program