Lead-Zinc-Silver in the Poughkeepsie District and Part of the Upper Uncompahgre and Mineral Point Districts, Ouray and San Juan Counties, Colo.
Contributors: Hazen, S.
Series: Report of investigations (United States. Bureau of Mines) -- 4508
Publisher: s.n
Published: 1949
Place of publication: S.l
Language: eng
Notes: 1