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 Image: Title: Subject: Description:
1. Illinois, Greenfield quadrangle Illinois, Greenfield quadrangle Illinois; Maps; Topographic maps; Topography; Greenfield (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1928-1929."; "Contour interval 10 feet."; Text and ill. on verso.; Shows highway classification as of 1932.
2. Illinois, Streator quadrangle Illinois, Streator quadrangle Maps; Topographic maps; Topography; Illinois; Streator (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1924 and 1925"; "Contour interval 10 feet"; Includes text on verso.
3. Illinois, Toledo quadrangle Illinois, Toledo quadrangle Maps; Topographic maps; Topography; Illinois; Toledo (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army."; "Surveyed in 1922, 1932, and 1933."; "Contour interval...
4. Illinois, Waverly quadrangle Illinois, Waverly quadrangle Maps; Topographic maps; Topography; Illinois; Waverly (Ill.) 1 map : col.; Relief shown by contours and spot heights.; "Surveyed in 1922 and 1924."; "Contour interval 10 feet."; Shows roadway classification as of Oct., 1925.; Text and ill. on verso.
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