Injury experience in the quarrying industry, 1954 : analysis of safety factors and related employment data / by John C. Machisak and Naomi W. Kearney.
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| Format: | Government Document Book |
| Language: | English |
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[Washington, D.C.] :
U.S. Dept. of the Interior, Bureau of Mines,
1958.
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| Series: | Information circular (United States. Bureau of Mines) ;
7842. |
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