Author: | Maize, Earl R. |
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Additional Authors: | Greenwald, H. P., Scheffer, T. C. |
Year: | 1941 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:3544 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 3544 |
Subject: | Mine timbering |
Link: | https://hdl.handle.net/2027/mdp.39015078475632 |