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Geology of the Quartz Creek pegmatite district, Gunnison County, Colorado
Quartz Creek pegmatite district, Gunnison County, Colorado
111 pages : illustrations, maps (8 folded in pocket, 6 color) ; 29 cm.
by Mortimer H. Staatz and Albert F. Trites.
Professional paper (Geological Survey (U.S.)) ; 265