mapped, edited, and published by the United States Geological Survey in cooperation with the Wisconsin Highway Commission and Wisconsin Geological and Natural History Survey
(W 88°45ʹ00ʺ--W 88°37ʹ30ʺ/N 44°37ʹ30ʺ--N 44°30ʹ00ʺ).
Relief shown by contours and spot heights.
"Topography by photogrammetric methods from aerial photographs taken 1968; field checked 1969."
"1927 North American datum. 10,000-foot grid based on Wisconsin coordinate system, central zone; 1000-meter Universal Transverse Mercator grid ticks, zone 16."