1. Geologic map showing configuration of the bedrock surface, North Platte 1⁰ x 2⁰ quadrangle, Nebraska Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
2. Centennial guidebook to the geology of southeastern Nebraska Author/Creator: Burchett, Raymond R. Publication/Creation: Lincoln : University of Nebraska, Conservation and Survey Division, Nebraska Geological Survey, 1967 Resource Type: Book Access & Availability: Loading