T. K. Cowdery

• Ground-water quality in the Red River of the North Basin, Minnesota and North Dakota, 1991-95
• Hydrogeology and ground-water/surface-water interactions in the Des Moines River Valley, Southwestern Minnesota, 1997-2001
• Hydrology prior to wetland and prairie restoration in and around the Glacial Ridge National Wildlife Refuge, northwestern Minnesota, 2002-5
• Similar agricultural areas, different ground-water quality, Red River of the North Basin, 1993-95
• Water resources of the Prairie Island Indian Reservation, Minnesota, 1994-97