Mineral resources of the Black Rock Wilderness Study Area, Graham County, Arizona
By: by Frank S. Simons ... [et al.].
Contributors: Simons, Frank S. 1917-
Series: Mineral resources of wilderness study areas--southeastern Arizona ;; ch. C; U.S. Geological Survey bulletin ;; 1703-C
Publisher: U.S. G.P.O.; For sale by the Books and Open-File Reports Section, U.S. Geological Survey
Published: 1987
Place of publication: Washington; Denver, Colo
Language: eng
Subjects: Mines and mineral resources -- Arizona -- Black Rock Wilderness.; Geology -- Arizona -- Black Rock Wilderness.; Black Rock Wilderness (Ariz.)
Notes: Bibliography: p. 9.
Col. map on folded leaf in pocket.