TY  - BOOK
AU  - 
ED  - United States.
TI  - Engineering methods for the design and employment of wood cribs
PY  - 1993///
CY  - Avondale, Md.
PB  - U.S. Dept. of the Interior, Bureau of Mines
KW  - Mines and mineral resources
KW  - Mine timbering
KW  - Design and construction
KW  - Testing
ER  -