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Start Over Place Michigan Publisher U.S. Geological Survey (Washington, D.C) Bounding Box -180 -89.81531 180 89.456192

1. Geologic map of the Penokee-Gogebic district, Wisconsin-Michigan

Maps University Of Minnesota Public content
1909. Van Hise, Charles Richard, 1857-1918. Relief shown by contours.; Covers area from Cranberry Lake to Gogebic Lake.; "Contour interval 20 feet."; "U.S. Geological Survey." "Monograph LII,... U.S. Geological Survey (Washington, D.C).

2. Geologic map of Iron River District, Michigan

Maps University Of Minnesota Public content
1909. Allen, R. C. (Rolland Craten), 1881-1948. Relief shown by contours.; Geology by Geological Survey of Michigan. 70 x 44 centimeters Scale 1:45,000 General Map Collection. U.S. Geological Survey (Washington, D.C).

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