Occurrence of a Heterogeneous Pegmatite in Florence County, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Precambrian Bedrock Data and Resources WOFR1988-04 Occurrence of a Heterogeneous Pegmatite in Florence County, Wisconsin Gerla, P.J.; 1988 Report: 13 p. Download Related Collections Open-File Report View Open-File Report