TY - BOOK AU - Sims,P.K. AU - Carter,Lorna M. ED - U.S. Geological Survey TI - Archean and Proterozoic geology of the Lake Superior region, U.S.A., 1993 AV - QE653.3 .A68 1996 PY - 1996/// CY - Washington PB - U.S. Government Printing Office KW - Geology, Stratigraphic KW - Proterozoic KW - Geology KW - Superior, Lake, Region N1 - Two folded leaves of maps in pocket; Includes bibliographical references (p. 99-115) ER -