Author: | Adams, William Waugh |
---|---|
Year: | 1931 |
Document Type: | N/A |
SUDOC: | C 22.12:3108 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 3108 |
Subjects: | Coal mines and mining -- United States. |
Coal mine accidents. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38389/ |