• Creator
  • Geological Survey (U.S.)
  • Created Date
  • 1943-1943
  • Description
  • Relief shown by contours and spot heights.; "Surveyed in 1929 and 1939-1940"; "Contour interval 10 feet."; Shows roadway classification as of 1942.; Coordinates: (W 88⁰15ʹ00ʺ--W 88⁰00ʹ00ʺ/N 39⁰15ʹ00ʺ--N 39⁰00ʹ00ʺ). 45 x 35 cm.; 1 map, colored. 1:62,500. Geological Survey (U.S.); Geological Survey Division (Urbana, Ill.).