• Creator
  • Geological Survey (U.S.)
  • Created Date
  • 1942-1942
  • Description
  • 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, 1935 and 1936."; "Contour interval 10 feet. 45 x 35 cm.; 1 map, colored. 1:62,500. Geological Survey (U.S.); Geological Survey Division (Urbana, Ill.).