Mineral resources of the Gunnison Gorge Wilderness Study Area, Montrose and Delta counties, Colorado /
Armbrustmacher, Theodore J.,1946-
[Washington, D.C.?] : Dept. of the Interior, U.S. Geological Survey; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, Federal Center,
1989.
"Mineral resources, Gunnison Gorge Wilderness study area, Colorado"--P. [4] of cover.
Shipping list no.: 89-412-P.
One map on folded leaf in pocket.
Includes bibliographical references.
Mines and mineral resources