Hand-drawn map showing some of the routes taken by SSU 558 during their time spent north of Paris, near Amiens.
[County land cover maps]
[1939?] · Wisconsin. Dept. of Agriculture. Land economic inventory and land use section
[Maps of Iowa and Wisconsin]
Wisconsin : catalog of topographic and other published maps /
1986 · Geological Survey (U.S.)
Earth science maps of Wisconsin, 1818-1974 : a bibliography and index /
1975 · Reinhard, Christine