Thickness and Structure Maps of the Pennsylvanian and Permian Rocks Across Southern Nebraska (GSI-7)

Burchett, R. R., 1982. Thickness and Structure Maps of the Pennsylvanian and Permian Rocks Across Southern Nebraska (GSI-7) 15 pp., size 8.5" x 11". Description Rocks of the Pennsylvanian and Permian age contribute to the economic base of Nebraska by providing valuable mineral resources. Because of the economic importance of these rocks, this series of thickness and structure maps were prepared summarizing the Pennsylvanian and Permian geologic data in Nebraska and serving as a framework for more detailed studies.