Fennimore, town (1990 pop. 2,378), Grant co., extreme SW Wis., 26 mi/42 km ESE of Prairie du Chien; 42°58'N 90°39'W. In farm area (livestock, poultry; grain); dairy prods., feed. Mfg. (cheese). Has hq. of a U.S. soil conservation project. Eagle River Nature Preserve to NW. Inc. 1919.