TY  - BOOK
T1  - Assessment of undiscovered porphyry copper deposits within the range of the northern spotted owl, northwestern California, western Oregon, and western Washington
DA  - 1991.
CY  - Menlo Park, Calif. :
AU  - Diggles, M. F.
CN  - I 19.76:
PB  - U.S. Geological Survey,
PP  - Menlo Park, Calif. :
PY  - 1991.
N1  - Cover title.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 92-2161-M.
ID  - 200555
KW  - Spotted owl
KW  - Copper ores
TI  - Assessment of undiscovered porphyry copper deposits within the range of the northern spotted owl, northwestern California, western Oregon, and western Washington
ER  -