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September 17th, 2010
A Landmark of Efficiency: Digital Topographic Maps Advance Quickly Across the Nation

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Since the first release of the US Topo series of revised digital topographic maps less than 19 months ago, the U.S. Geological Survey (USGS) has published more than 30,800 7.5-minute cells covering more than 50% of the nation’s land area and setting high standards for production efficiency. “For comparison, the best year the USGS Mapping Program had previously was when we published 2,500 new quadrangle maps in 1972,” said Mark DeMulder, Chief of the USGS National Geospatial Program (NGP). “Now with our digital products, on an annual basis, we’ve exceeded that number by an order of 10.” Read More

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