Geology of Wisconsin and Location and Properties of Aggregrates in Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Nonmetallic minerals Rocks and Minerals Data and Resources WOFR1940-04 Geology of Wisconsin and Location and Properties of Aggregrates in Wisconsin Bean, E.F.; 1940 Report: 6 p. Download Related Collections Open-File Report View Open-File Report