1. Historical water-quality data for the High Plains Regional Ground-Water Study Area in Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1930-98 Author/Creator: Litke, David W., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
2. Review of phosphorus control measures in the United States and their effects on water quality Author/Creator: Litke, David W., author Publication/Creation: Denver, Colorado : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
3. Sources and loads of nutrients in the South Platte River, Colorado and Nebraska, 1994-95 Author/Creator: Litke, David W., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
4. Estimated use of water in Colorado, 1985 Author/Creator: Litke, David W., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
5. Suspended sediment in selected streams of southeastern Montana Author/Creator: Litke, David W., author Publication/Creation: Helena, Montana : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading