Water Resources of the United States
USGS Water-Resources program provides water information that benefits the Nation's citizens: publications, data, maps, and applications software.
water.usgs.gov
National Water Quality Assessment Program of the USGS
Surface- and ground-water quality analysis, bed-sediment chemistry, and aquatic ecology in the Upper Mississippi River Basin in Minnesota and Wisconsin.
wwwmn.cr.usgs.gov/umis
USGS Bemidji Project
The objective is to improve the understanding of the mobilization, transport and fate of crude oil in the shallow subsurface.
wwwmn.cr.usgs.gov/bemidji