1. Physical characteristics of stream subbasins in the Cottonwood River Basin, southwestern Minnesota [microform] Yale Public content 1995. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Earth Science Information Center. English. Public. Cottonwood River Watershed (Minn.), Minnesota, and Cottonwood River Watershed.