Summary of Field Mapping in the Superior Map Sheet, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Data and Resources WOFR1988-07 Summary of Field Mapping in the Superior Map Sheet, Wisconsin Mudrey, M.G., Jr.; Brown, B.A.; 1988 Report: 37 p. + 1 plate Download WOFR1988-07-plate01 Preliminary Bedrock Geology of Wisconsin, Superior Sheet Mudrey, M.G., Jr.; Brown, B.A.; 1988 Map: 32.34 in x 20.64 in Download Related Collections Open-File Report View Open-File Report