Laboratory studies of yielding rock bolts /
by J.P. Conway ...[et al.], with an appendix on dynamic tests on rock bolts, by Kenneth G. Hoge.
- [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975].
- 40 p. : ill.
- Report of investigations ; 8058 .
- United States. Bureau of Mines. Report of investigations ; 8058 .
- Report of investigations (United States. Bureau of Mines) ; 8058 .
92015009
Rock bolts.
92015009
Rock bolts.