United States, Wisconsin, La Crosse, LaCrosse Co.; Island 21; Mississippi Rivermile #695; T15N R7W Sec 17 ... island E side of main channel;Upper Mississippi National Wildlife Refuge;;;
193 meters
633 ft
Age of dredge material--5 yr ... Long, narrow island ... on sand and mud flat between alluvial forest and slough, east side of island; Gramineae and Cyperaceae species form dense cover.