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Effect of a bonus on the accident record of the Southwestern Portland Cement Co.
Twenty live reasons for first-aid training in California
Some factors affecting an accident-prevention program in metal mining in California
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Published Year
1920-1929 (1)
1930-1939 (2)
Subject
Mine safety (2)
Mines and mineral resources--California (2)
First aid in illness and injury (1)
Mine safety--California (1)
Author
Smith, Emory. (3) *
Ash, S. H. (1)
