Injury experience in quarrying.
Injury experience in stone mining
Injury experience in the quarrying industry
[Washington] : U.S. Dept. of the Interior, Bureau of Mines :
Quarries and quarrying
Quarries and quarrying /
Quarries and quarrying / United States /
Quarries and quarrying / United States / Accidents /
Vols. for 19 -1975 issued by: U.S. Department of the Interior, Mining Enforcement and Safety Administration; 1976-1977 issued by: U.S. Department of Labor, Mine Safety and Health Administration.
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