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Reconnoissance [sic] Soil Survey of North Eastern Wisconsin
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Soil Map: Wisconsin, Reconnoissance [sic] Survey - Northeastern Wisconsin Sheet
1916
Map: 23.6 in x 24.9 in, scale 1 in = 3 miles
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Special Report on the Reconnoissance [sic] Soil Survey of Vilas and Portions of Adjoining Counties, Wisconsin
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Reconnoissance [sic] Soil Map of Vilas and Portions of Adjoining Counties
1915
Map: 24.6 in x 14.5 in, scale 1/2 in = 1 mile