TY  - BOOK
T1  - Application of grade and tonnage deposit modelsthe search for ore deposits possibly amenable to small-scale mining /
DA  - 1990.
CY  - [Menlo Park, CA] :
AU  - Bliss, James D.
AU  - McKelvey, G. E.
AU  - Allen, Michael S.
VL  - 90-412
CN  - i 19.76:
PB  - U.S. Geological Survey,
PP  - [Menlo Park, CA] :
PY  - 1990.
N1  - Distributed to depository libraries in microfiche.
ID  - 217540
KW  - Mines and mineral resources.
KW  - Ore deposits.
TI  - Application of grade and tonnage deposit modelsthe search for ore deposits possibly amenable to small-scale mining /
ER  -