Geography, Geology, and Mineral Resources of the Sparta and Tomah Quadrangles, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Geography Nonmetallic Minerals Rocks and Minerals Data and Resources WOFR1922-03 Geography, Geology, and Mineral Resources of the Sparta and Tomah Quadrangles, Wisconsin Thwaites, F.T.; Twenhofel, W.H.; Martin, L.; 1922 Report: 160 p. Download Related Collections Open-File Report View Open-File Report