Author: | Osen, Lars. |
---|---|
Additional Authors: | Parsons, Edward W. |
Year: | 1966 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:6842 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 6842 |
Subject: | Mine roof bolting |
Link: | https://hdl.handle.net/2027/mdp.39015078523175 |