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Start Over Year 1954 Provider University of Illinois Urbana-Champaign Bounding Box -180 -89.81531 180 89.456192

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

Maps University Of Illinois Urbana Champaign Public content
1954. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1939, 1941 and 1951. Topography by plane-table surve... Geological Survey (U.S.).

2. Xenia quadrangle, Illinois : 15 minute series (topographic)

Maps University Of Illinois Urbana Champaign Public content
1954. Geological Survey (U.S.). Contour interval 10 feet.;"Culture and drainage in part compiled from aerial photographs taken 1938 and 1949. Topography by plane-table surveys 195... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

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