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PubTalk 12/2009 — A New Generation of Maps

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Detailed Description

Topographic Maps for the 21st Century

by Mark DeMulder, Director of the National Geospatial Program


  • December 5 marks the 125th Anniversary of the popular USGS topographic map, used by engineers and surveyors, industry, academia, and outdoor enthusiasts for reliably accurate information
  • Starting December 3 the new US Topo maps will be available free on the Web at the USGS Store: Each USGS Topo quadrangle is constructed in GeoPDF format from key Layers of geographic data found in The National Map This new technology enables richer content, providing the user with more than a standard map
  • The National Map provides a continuous evolution and incorporation of additonal data layers. For more information:




Public Domain.