1. Geologic studies of the Platte River, south-central Nebraska and adjacent areas--geologic maps, subsurface study, and geologic history Author/Creator: Condon, Steven M. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Resource Type: Book Edition: Version 1.0. Access & Availability: Loading