• Creator
  • Geological Survey (U.S.)
  • Created Date
  • 1921-1921
  • Description
  • Relief shown by contours and spot heights.; "Surveyed in 1914, 1916 and 1920."; "Surveyed in cooperation with the States of Kentucky and Illinois."; "Contour interval 20 feet."; Coordinates: (W 88⁰30ʹ00ʺ--W 88⁰15ʹ00ʺ/N 37⁰30ʹ00ʺ--N 37⁰15ʹ00ʺ). 45 x 36 cm.; 1 map, colored. 1:62,500. Geological Survey (U.S.); Kentucky Geological Survey (Lexington, Ky.); Geological Survey Division (Urbana, Ill.).