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U.S. Department of Labor | ![]() |
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Occupational Safety & Health Administration |
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SIC Description for 1422
Description for 1422: Crushed and Broken Limestone |
Division B: Mining |
Major Group 14: Mining And Quarrying Of Nonmetallic Minerals, Except Fuels |
Industry Group 142: Crushed And Broken Stone, Including Riprap |
1422 Crushed and Broken Limestone |
Establishments primarily engaged in mining or quarrying crushed and broken limestone, including related rocks, such as dolomite, cement rock, marl, travertine, and calcareous tufa. Also included are establishments primarily engaged in the grinding or pulverizing of limestone, but establishments primarily engaged in producing lime are classified in Manufacturing, Industry 3274.
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