Author: | Adams, William W. |
---|---|
Year: | 1936 |
Document Type: | N/A |
Issuing Agency: | United States. Bureau of Mines. |
Series: | United States Bureau of Mines Reports |
Report Number: | Bulletin 399 |
Subject: | Quarries and quarrying -- Accidents -- United States -- Statistics -- Periodicals. |
Link: | http://digital.library.unt.edu/ark:/67531/metadc12566/ |