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Map of copper range of Michigan
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Geologic map of copper range from copper Falls to Gratiot, Michigan
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Geologic map of copper range from adventure to Victoria, Michigan
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Geologic map of copper range from Winona to adventure, Michigan
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Geologic map of copper range from Challenge to Winona, Michigan
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Geologic map of copper range from Atlantic to Challence, Michigan
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Geologic map of copper range from La Salle to Atlantic, Michigan
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Geologic map of copper range from Gratiot to La Salle, Michigan
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Geologic map of copper range from Mount Houghton to Delaware, Michigan
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Topographic map of the central portion of copper range, painesdale to Cliff, Michigan
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Geologic map of copper range from end of Keweenaw Point to Mount Houghton, Michigan
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Geologic sections of copper range diamond-drill holes, T. 53 N., R. 35 W.
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General geologic map and sections of the Keweenawan and associated rocks in the lake superior copper district
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Geologic sections of Elm river mine (contact copper co.), T. 52 N., R. 36 W.
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Development of Minesota fissure and associated Lodes of Michigan mine
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Longitudinal sections of Ashbed Lode
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Longitudinal sections of Hancock Lode
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Longitudinal sections of Pewabic Lode
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Longitudinal sections of Knowlton Lode
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Longitudinal sections of Ogima Lode
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Longitudinal sections of butler Lode
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Longitudinal sections of Evergreen Lode
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General geologic map from Presque isle river to Victoria mine, Michigan
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Longitudinal sections of old Arcadian and Winona Lodes