Author: | Mosier, McHenry. |
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Additional Authors: | Agnew, Wing G. |
Year: | 1939 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:3447 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 3447 |
Subjects: | Drilling and boring |
Bits (Drilling and boring) | |
Links: | https://hdl.handle.net/2027/mdp.39015078491969 |
https://hdl.handle.net/2027/mdp.39015078492256 |