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Miscellaneous Investigations Series I-1420 (NK-14)

Quaternary Geologic Map of the Platte River 4° × 6° Quadrangle, United States

State compilations by James B. Swinehart, Vincent H. Dreeszen, Gerald M. Richmond, Merlin J. Tipton, Richard Bretz, Fred V. Steece, George R. Hallberg, and Joseph E. Goebel

Edited and integrated by Gerald M. Richmond


Thumbnail of and link to Map PDF (5 MB)The Quaternary Geologic Map of the Platte River 4° × 6° Quadrangle was mapped as part of the Quaternary Geologic Atlas of the United States. The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other materials that accumulated or formed during the past 2+ million years, the period that includes all activities of the human species. These materials are at the surface of the earth. They make up the 'ground' on which we walk, the 'dirt' in which we dig foundations, and the 'soil' in which we grow crops. Most of our human activity is related in one way or another to these surface materials that are referred to collectively by many geologists as regolith, the mantle of fragmental and generally unconsolidated material that overlies the bedrock foundation of the continent. The maps were compiled at 1:1,000,000 scale.

This map is part of the Quaternary Geologic Atlas of the United States (I-1420). It was first published as a printed edition in 1994. The geologic data have now been captured digitally and are presented here along with images of the printed map sheet and component parts as PDF files.

Version 1.0

Posted July 2008

  • Downloads Directory
  • Contains: .e00 files, shapefiles, and pdf files of the map's illustrations and correlation diagram, and pdf files of the map unit descriptions and sources of information. Refer to the Readme and Metadata files for more information about this dataset.

Suggested citation:

Swinehart, J.B., Dreeszen, V.H., Richmond, G.M., Tipton, M.J., Bretz, Richard, Steece, F.V., Hallberg, G.R., and Goebel, J.E., 1994, Quaternary geologic map of the Platte River 4° x 6° quadrangle, United States: U.S. Geological Survey Miscellaneous Investigations Series Map I-1420 (NK-14), scale 1:1,000,000.

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