You searched for: Place Illinois; Marion County, Illinois Remove constraint Place: Illinois; Marion County, Illinois Provider University of Illinois Urbana-Champaign Remove constraint Provider: University of Illinois Urbana-Champaign Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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Illinois (Marion County) Salem quadrangle Maps maps university-of-illinois-urbana-champaign

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.).