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Start Over Place Illinois--Iroquois County Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Illinois (Iroquois county), Gilman quadrangle : 15-minute series

Maps University Of Illinois Urbana Champaign Public content
1946. Geological Survey (U.S.). Contour interval 10 feet.;"Mapped by the Geological Survey 1943-1944.";Relief shown by contours and spot heights.;1 map, colored;45 x 35 cm.;1:62,500. Geological Survey Division (Urbana, Ill.), 1946. and U.S. Geological Survey (Washington, D.C.).

2. Important farmlands, Iroquois County, Illinois

Maps University Of Minnesota Public content
1984. United States. Soil Conservation Service. "August 1983 4-R-38008."; Shows land use.; Includes vicinity map. 74 x 60 centimeters Scale approximately 1:100,000. USDA-SCS (Fort Worth, Tex.).