Effect of a bonus on the accident record of the Southwestern Portland Cement Co. / by Emory Smith.
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| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Commerce, Bureau of Mines,
1929.
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| Series: | Information circular (United States. Bureau of Mines) ;
6176. |
| Subjects: |