Author: | Obert, Leonard, |
---|---|
Additional Authors: | Duvall, Wilbur I. |
Year: | 1945 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:3803 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 3803 |
Subjects: | Mine roof control |
Rock mechanics | |
Microseisms | |
Link: | https://hdl.handle.net/2027/mdp.39015078497974 |