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Start Over Year 1960 Publisher Geological Survey Division (Urbana, Ill.) Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Illinois (Marion County) Salem quadrangle

Maps University Of Illinois Urbana Champaign Public content
1960. Geological Survey (U.S.). Relief shown by contours and spot heights.;"Surveyed in 1921, 1926, 1928, and 1934";Contour interval 10 feet.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).

2. Shawneetown quadrangle, Illinois-Kentucky : 15 minute series (topographic)

Maps University Of Illinois Urbana Champaign Public content
1960. Geological Survey (U.S.). Contour interval 20 feet.;"Topography from aerial photographs by photogrammetric methods and by planetable surveys. Aerial photographs taken 1957";... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Kentucky Geological Survey (Lexington, Ky.).