TY  - BOOK
T1  - A simplified economic filter for underground mining of massive sulfide deposits
DA  - 2000.
CY  - Menlo Park, CA :
AU  - Singer, D. A.
AU  - Menzie, W. D.
AU  - Long, Keith R.
VL  - 00-349
CN  - I 19.76:
PB  - U.S. Dept. of the Interior, U.S. Geological Survey,
PP  - Menlo Park, CA :
PY  - 2000.
N1  - Cover title.
N1  - Shipping list no.: 2002-0363-M.
ID  - 258048
KW  - Mines and mineral resources
KW  - Sulfides
KW  - Ore deposits.
KW  - Geology, Economic.
TI  - A simplified economic filter for underground mining of massive sulfide deposits
ER  -