Additional Authors: | Litchfield, E. L. |
---|---|
Year: | 1967 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:7009 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 7009 |
Subject: | Mine gases |
Link: | https://hdl.handle.net/2027/mdp.39015078531996 |