An Investigation of the Thorium Occurrences West of Wausau, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Metallic Minerals Rocks and Minerals Data and Resources WOFR1957-03 An Investigation of the Thorium Occurrences West of Wausau, Wisconsin Hare, E.H., Jr.; 1957 Report: 47 p. Download Related Collections Open-File Report View Open-File Report