Soils, Geologic, and Hydrogeologic Influences on Lake Water Quality in Northwestern Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Soils Surface Water Data and Resources WOFR1990-01 Soils, Geologic, and Hydrogeologic Influences on Lake Water Quality in Northwestern Wisconsin Muldoon, M.A.; Madison, F.W.; Johnson, M.D.; 1990 Report: 74 p. Download Related Collections Open-File Report View Open-File Report