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Middle Keweenawan Basin Evolution Inferred from Geophysical Analysis of Strongly Magnetic Intrusion, Clam Lake, Wisconsin
Open-file report; contains unpublished data that has not yet been peer-reviewed. -
Summary of Field Mapping in the Superior Map Sheet, Wisconsin
Open-file report; contains unpublished data that has not yet been peer-reviewed. -
Geologic Summary of the Ashland 2° Quadrangle
Open-file report; contains unpublished data that has not yet been peer-reviewed.-
Preliminary Bedrock Geologic Map: Ashland Quadrangle
1979
Map: 4 p., 1 plate, 29.22 in x 25.65 in, scale 1:250,000