Sims, P.K.Westfall, I.2010-03-122010-03-121970https://hdl.handle.net/11299/59296PUBLISHED IN COOPERATION WITH MINNESOTA DEPARTMENT OF CONSERVATION AND MINNESOTA DEPARTMENT OF IRON RANGE RESOURCES AND REHABILITATIONSummary of fieldwork in Minnesota during 1970.engeologyMinnesotaMinnesota Geological SurveyfieldworkReport