Author: | Adams, William W. |
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Year: | 1943 |
Document Type: | N/A |
Issuing Agency: | United States. Bureau of Mines. |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 452 |
Subject: | Quarries and quarrying -- Accidents -- United States -- Statistics -- Periodicals. |
Link: | http://digital.library.unt.edu/ark:/67531/metadc12612/ |