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Fact Sheet 2011–3103

Volunteer Map Data Collection at the USGS

By Eric B. Wolf, Barbara S. Poore, Holly K. Caro, and Greg D. Matthews

Thumbnail of and link to report PDF (2.52 MB)Abstract

Since 1994, citizen volunteers have helped the U.S. Geological Survey improve its topographic maps. Through the Earth Science Corps program, citizens were able to "adopt a quad" and collect new information and update existing map features. Until its conclusion in 2001, as many as 30 volunteers annotated paper maps which were incorporated in to the USGS topographic-map revision process.

First posted October 24, 2011

    For additional information contact:
    National Geospatial Technical Operations Center NGTOC
    U.S. Geological Survey
    Box 25046, Mail Stop 510
    Denver Federal Center
    Denver, Colorado 80225-0046

    Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.


Suggested citation:

Wolf, E.B , Poore, B.S., Caro, H.K., and Matthews, G.D., 2011, Volunteer map data collection at the USGS: U.S. Geological Survey Fact Sheet 2011–3103, 2 p.



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