Author: | Rice, George S. |
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Year: | 1928 |
Document Type: | N/A |
SUDOC: | C 22.3:277 |
Series: | Bulletin (United States. Bureau of Mines) |
Report Number: | Bulletin 277 |
Subject: | Coal mines and mining -- Safety measures. |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38815/ |