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Preservation of Historic USGS Quadrangles project

Historic USGS Quadrangles are maps that have been created using traditional cartographic methods and printed using lithographic printing processes. These do not include quadrangles generated electronically.

Further information about this project.

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U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/historic_quad/ Page Contact Information: USGS Publishing Network Last modified: Wednesday, November 30 2016, 04:41:59 PM

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