TY  - BOOK
T1  - Open pit mine planning and design /
DA  - 1979.
CY  - New York, N.Y. :
AU  - Crawford, John T.
AU  - Hustrulid, W. A.
CN  - TN291
CN  - TN291
PB  - Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers,
PP  - New York, N.Y. :
PY  - 1979.
N1  - Includes index.
ID  - 138843
KW  - Strip mining.
SN  - 0895202530
TI  - Open pit mine planning and design /
ER  -