Archean and Proterozoic geology of the Lake Superior region, U.S.A., 1993 - Sims, P.K. (Paul Kibler), 1918-; Carter, Lorna M.; U.S. Geological Survey (Washington : U.S. Government Printing Office, 1996)
Two folded leaves of maps in pocket.
Includes bibliographical references (p. 99-115).
Keywords: Geology, Stratigraphic -- Proterozoic; Geology -- Superior, Lake, Region