Preliminary report of the mineral resource potential of the Powderhorn Instant Study area, Gunnison and Hinsdale Counties, Colorado
By: by William N. Sharp and R.A. Martin, and M.E. Lane ; United States Department of the Interior, Geological Survey.
Contributors: Martin, R. A.; Lane, Michael E.; Geological Survey (U.S.); United States. Bureau of Mines.
Series: Open-file report -- 80-1057.; Open-file report (Geological Survey (U.S.)) -- 80-1057.
Publisher: The Survey
Published: 1980
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Mines and mineral resources -- Colorado -- Gunnison County.; Mines and mineral resources -- Colorado -- Hinsdale County.
Notes: "U.S. Bureau of Mines."

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 2 microfiches ; 11 x 15 cm.

Bibliography: p. 3-4.