Geology of the Gogebic Iron Range of Wisconsin Bedrock Geology Metallic Minerals Precambrian Bedrock Rocks and Minerals Data and Resources B071 Geology of the Gogebic Iron Range of Wisconsin Aldrich, H.R.; 1929 Report: 279 p. Download B071-plate01 The Huronian and Keweenawan Formations in the Region of the Gogebic Range: Their Distribution and Structure Based Upon Examination of Exposures and Correlation of Observed Magnetic Attraction [plate 1] Aldrich, H.R.; 1929 Map: 20 in x 9 in Download B071-plate14 T44N - R4W - West Half [plate 14] 1929 Map: 13.3 in x 17 in Download B071-plate15 T44N - R5W - East Half [plate 15] 1929 Map: 14.6 in x 17.7 in Download Related Collections Bulletin View Bulletin