Geologic Structure in the Yahara Hills Golf Course Area in Southeast Madison, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Data and Resources WOFR1968-03 Geologic Structure in the Yahara Hills Golf Course Area in Southeast Madison, Wisconsin Olcott, P.G.; 1968 Report: 22 p. Download Related Collections Open-File Report View Open-File Report