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Start Over You searched for: Year 1964 Remove constraint Year: 1964 Creator Geological Survey (U.S.) Remove constraint Creator: Geological Survey (U.S.) Bounding Box -86.51116 39.149274 -86.508949 39.150938 Remove constraint Bounding Box: -86.51116 39.149274 -86.508949 39.150938

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1. Tuscola quadrangle, Illinois : 15 minute series (topographic)

University Of Illinois Urbana Champaign Public content
1964. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1948. Topography by plane-table methods 1935 and 195... Geological Survey (U.S.)|Geological Survey Division (Urbana, Ill.).