Engineering methods for the design and employment of wood cribs /
Engineering methods for the design and employment of wood cribs /
by Thomas M. Barczak and David F. Gearhart.
- Avondale, Md. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
- 34 p.
- Information circular ; 9361 .
- Information circular (United States. Bureau of Mines) ; 9361 .
Mines and mineral resources.
Mine timbering--Design and construction.
Mine timbering--Testing.
Mines and mineral resources.
Mine timbering--Design and construction.
Mine timbering--Testing.