Author: | Forbes, J. J. |
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Year: | 1931 |
Document Type: | N/A |
SUDOC: | C 22.11:6435 |
Series: | Information circular (United States. Bureau of Mines) |
Report Number: | I. C. 6435 |
Subjects: | Mine rescue work. |
Mine safety -- Equipment and supplies. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc67004/ |