"Modification to USGS base map by Geometronics Service Center from 1980 and 1981 aerial photography and 1983 correction guides furnished by the Eastern Region."
Base maps prepared by U.S. Geological Survey; many in cooperation with State of Wisconsin agencies.
Includes location diagrams.
46090-A 6/int. Glidden SW -- B 5/int. Glidden NE -- B 6/int. Glidden NW