1. Hydrogeology of a biosolids-application site near Deer Trail, Colorado, 1993-99 Author/Creator: Yager, Tracy J. B. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services [distributor], 2003 Format: Book Access & Availability: Loading
2. Hydrogeology of and potential mining impacts on strippable lignite areas in the Denver aquifer, east-central Colorado Author/Creator: Driver, Nancy E., author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1986 Format: Book Access & Availability: Loading
3. Hydrogeology of the Leadville Limestone and other Paleozoic rocks in northwestern Colorado, with results of aquifer tests at Glenwood Springs Author/Creator: Geldon, Arthur L., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1989 Format: Book Access & Availability: Loading
4. Hydrologic-information needs for oil-shale development, northwestern Colorado Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1982 Format: Book Access & Availability: Loading