Author: | Leitch, R. D. |
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Additional Authors: | Sayers, R. R., Yant, W. P. |
Year: | 1930 |
Document Type: | BMRA |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | C 22.12:2994 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 2994 |
Link: | https://hdl.handle.net/2027/mdp.39015077566183 |