The Baraboo Iron-Bearing District of Wisconsin Bedrock Geology Metallic Minerals Precambrian Bedrock Rocks and Minerals Surficial Geology Data and Resources B013 The Baraboo Iron-Bearing District of Wisconsin Weidman, S.; 1904 Report: 190 p. Download B013-plate01 Geological Map of the Baraboo District, Wisconsin [plate 1] Weidman, S.; 1904 Download Related Collections Bulletin View Bulletin