Washington, D.C. : U.S. Geological Survey ; Madison, Wis. : Wisconsin Geological and Natural History Survey ; Urbana, Ill. : State Geological Survey, 1954
Physical Details
1 map : color ; 58 x 43 cm
OCLC
ocm42076270
Cartographic Data
Scale 1:24,000, Polyconic projection
(W 90°22ʹ30ʺ--W 90°15ʹ00ʺ/N 42°37ʹ30ʺ--N 42°30ʹ00ʺ).
Relief shown by contours and spot heights.
Contour interval 10 feet.
"Topography from aerial photographs by multiplex methods. Aerial photographs taken 1951. Field check 1952."
Includes quadrangle location map.
"Control by USGS and USC&GS."
1927 North American datum.
"10,000-foot grid based on Wisconsin coordinate system, south zone, and Illinois coordinate system, west zone."