Geologic map showing configuration of the bedrock surface, North Platte 1⁰ x 2⁰ quadrangle, Nebraska / Department of the Interior, U.S. Geological Survey ; by R.F. Diffendal, Jr., Nebraska Geological Survey ; prepared in cooperation with the Conservation and Survey Division, University of Nebraska-Lincoln
Series Titles:
Miscellaneous investigations series ; map I-2277 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2277.