Assessment of undiscovered porphyry copper deposits within the range of the northern spotted owl, northwestern California, western Oregon, and western Washington
By: Michael F. Diggles, editor
Contributors: Diggles, M. F; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 91-377
Publisher: U.S. Geological Survey
Published: 1991
Place of publication: Menlo Park, Calif
Language: eng
Format: Microform
Number of pages: 58
Subjects: Spotted owl -- Habitat; Copper ores -- Pacific States
Notes: Cover title

Distributed to depository libraries in microfiche

Shipping list no.: 92-2161-M

Includes bibliographical references (p. 47-53)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 10 microfiches : negative