E.K. Lehmann Mining Collection, Geologic Map, Wisconsin

E.K. Lehmann Mining Collection, Geologic Map, Wisconsin

Detailed Description

E.K. Lehmann Document 1126: Geologic Map of River Island and Blockhouse Lake Prospect Area; NGGDPP funds used to preserve Lehmann Collection.

Details

Image Dimensions: 1299 x 603

Location Taken: US

Credits

Courtesy of Wisconsin Geological & Natural History Survey