1. Hydrologic-information needs for oil-shale development, northwestern Colorado Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1982 Resource Type: 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 Resource Type: 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 Resource Type: Book Access & Availability: Loading