1. Analysis of the ground-water flow system, geochemistry, and underseepage in the vicinity of the Red Rock Dam near Pella, Iowa Author/Creator: Lucey, Keith J., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
2. Appraisal of the water resources of the Skunk Creek aquifer in Minnehaha County, South Dakota Author/Creator: Ohland, Grant L., author Publication/Creation: Huron, South Dakota : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading