1. Water resources of Codington and Grant counties, South Dakota Author/Creator: Hansen, Donald S., author Publication/Creation: Huron, South Dakota : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
2. Appraisal of the water resources of the Big Sioux aquifer, Moody County, South Dakota Author/Creator: Hansen, Donald S., author Publication/Creation: Huron, South Dakota : United States Department of the Interior, Geological Survey, 1988 Format: Book Access & Availability: Loading
3. Water resources of Hanson and Davison counties, South Dakota Author/Creator: Hansen, Donald S., author Publication/Creation: Huron, South Dakota : U.S. Geological Survey, 1983 Format: Book Access & Availability: Loading