Subsurface Lithologic Cross Section--Escanaba, Michigan, to East Troy, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Data and Resources WOFR1962-08 Cross Section, Escanaba, Michigan to East Troy, Wisconsin Ostrom, M.E.; 1962 Plate: 36.5 in x 29 in Download Related Collections Open-File Report View Open-File Report