Additional Authors: | Jones, G. W., Goodwin, F. M., Campbell, John., Huff, W. J. |
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Year: | 1939 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:3433 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 3433 |
Subjects: | Air |
Manholes | |
Link: | https://hdl.handle.net/2027/mdp.39015078492439 |