1. Water quality and trend analysis of Colorado--Big Thompson system reservoirs and related conveyances, 1969 through 2000 Author/Creator: Stevens, Michael R. Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
2. Water-resources appraisal of the upper Arkansas River basin from Leadville to Pueblo, Colorado Author/Creator: Crouch, Thomas M., author Publication/Creation: Lakewood, Colo. : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading