1. Geologic map showing configuration of the bedrock surface, North Platte 1⁰ x 2⁰ quadrangle, Nebraska
1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. Public. Nebraska.
