Author: | Obert, Leonard, |
---|---|
Additional Authors: | Duvall, Wilbur I. |
Year: | 1949 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:4581 |
Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 4581 |
Subjects: | Rock mechanics |
Rocks--Testing--Equipment and supplies | |
Blast effect--Measurement--Equipment and supplies | |
Links: | https://hdl.handle.net/2027/mdp.39015078486555 |
no.4581-4590 1949 |