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Start Over Year 1964 Publisher Geological Survey Division (Urbana, Ill.) Bounding Box -40.000931 39.999015 -39.999064 40.000987

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

Maps 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.) and Geological Survey Division (Urbana, Ill.).

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