Stratigraphic Sections, Depositional Environments, and Metal Content of the Upper Part of the Middle Pennsylvanian Minturn Formation, Northern Sangre de Cristo Range, Custer and Saguache Counties, Colorado (United States Geological Survey Miscellaneous Field Studies Map MF-1622-D).

Two (2) large folded sheets consisting of a geologic map, a columnar section, correlated stratigraphic sections with interpretations of depositional facies, and showing distribution of invertebrates, microfossils, sharks teeth and conodonts, and plant remains, triangular plots showing abundance of copper, lead and zinc, a table showing metal concentrations of uranium, copper, lead and zinc, a table summarizing depositional environments and their lithofacies, a discussion of geology and economc geology, and references cited; in printed envelope; ex-corporate library; in very good condition.