1. Structure map of Archean rocks, Palmer and Sands 7 1/2-minute quadrangles, Michigan, showing Great Lakes tectonic zone Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
2. Quaternary geologic map of the Sudbury 4° x 6° quadrangle, United States and Canada Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1993 Resource Type: Map Access & Availability: Loading
3. Quaternary geologic map of the Lake Nipigon 4° x 6° quadrangle, United States and Canada Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1994 Resource Type: Map Access & Availability: Loading
4. Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
5. Geologic map of Precambrian rocks of parts of Iron Mountain and Escanaba 30ʹ x 60ʹ quadrangles, northeastern Wisconsin and adjacent Michigan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading