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Mark Lindner

USGS Release: Historical Maps Go Digital (4/19/2012 7:00:00 AM) - 0 views

www.usgs.gov/...article.asp

maps USGS

shared by Mark Lindner on 15 May 12 - No Cached
  • Mark Lindner on 15 May 12
     
    In keeping with that spirit, The U.S. Geological Survey (USGS) has publicly released more than 161,000 digitally scanned historical maps spanning in excess of 130 years and covering the conterminous lower 48 states. This Historical Topographic Map Collection provides a comprehensive repository of the landscape of our Nation and tracks changes through time, providing essential clues critical in the understanding of our Nation's topography, geography and development.  
Mark Lindner

Update: More than 90,000 USGS Historical Topographical Maps Now Online « INFO... - 1 views

infodocket.com/...-topographical-maps-now-online

shared by Mark Lindner on 09 Oct 11 - No Cached
  • Mark Lindner on 09 Oct 11
     
    Map resource
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