• Creator
  • Geological Survey (U.S.)
  • Created Date
  • 1950-1950
  • Description
  • Relief shown in contours.; "Surveyed in 1921."; "Contour interval 20 feet. 45 x 34 cm.; 1 map, colored. 1:62,500. Geological Survey (U.S.); Geological and Natural History Survey (Madison, Wis.); Geological Survey Division (Urbana, Ill.).