Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Publisher [S. Augustus Mitchell, Jr.?] Remove constraint Publisher: [S. Augustus Mitchell, Jr.?] Collection John R. Borchert Map Library Remove constraint Collection: John R. Borchert Map Library Layer geom type s Scanned Map Remove constraint Layer geom type s: Scanned Map Time Period 1850-1899 Remove constraint Time Period: 1850-1899

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