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Reconnoissance [sic] Soil Survey of North Part of North Western Wisconsin
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Reconnoissance [sic] Soil Survey of North Part of North Western Wisconsin
1914
Report: 92 p. + map (scale 1 in = 3 miles)
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Preliminary Report on the Copper-Bearing Rocks of Douglas County, Wisconsin
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Geological Map of Part of the St. Croix Copper Range, in Douglas Co., Wis. [plate 7]
1900
Map: Scale 1 in = 4 miles
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Geological Map of the Western Part of the Douglas Copper Range, in Douglas Co., Wis. [plate 8]
1900
Map: Scale 1 in = 4 miles
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Geological Map of the Eastern Part of the Douglas Copper Range, in Douglas Co., Wis. [plate 9]
1900
Map: Scale 1 in = 4 miles
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Geological Map of Part of the Minong Copper Range in Washburn, Douglas and Bayfield Counties, Wis. [plate 13]
1900
Map: Scale 1 in = 4 miles