Author: | Machisak, John C. |
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Additional Authors: | Glidden, Zelda S., Kearney, Naomi W. |
Year: | 1959 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7927 |
Series: | Information circular / United states. Bureau of Mines ; |
Report Number: | 7927 |
Subject: | Quarries and quarrying--Accidents--Statistics |
Link: | https://hdl.handle.net/2027/mdp.39015078454603 |