Effect of a bonus on the accident record of the Southwestern Portland Cement Co.

Author: Smith, Emory.
Year: 1929
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6176
Series: Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number: 6176
Subject: Mine safety
Link: https://hdl.handle.net/2027/mdp.39015077570334

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