1. Hydrogeologic characteristics of valley-fill aquifer in Brighton reach of South Platte River Valley, Colo. [with list of references]; by R. Theodore Hurr, Paul A. Schneider, jr., and others. Lakewood, Colo. Bookmark Corporate/Agency Authors: Geological Survey and Interior Dept. Publisher: Geological Survey Date: 1972 SuDoc number: I 19.2:H 99/17 and 1 19.2:B 76