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Start Over Year 1942 Publisher Geological Survey Division (Urbana, Ill.), 1942. Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Illinois, Delavan quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1942. Geological Survey (U.S.). Contour interval 10 feet;"Surveyed in 1930 and 1935-1936.";Relief shown by contours and spot heights.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey Division (Urbana, Ill.), 1942. and U.S. Geological Survey (Washington, D.C.).

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