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The Libre Map Project was started by Jared Benedict and around 100 additional individuals contributing money to purchase (or "liberate") a full set of 1:24K scale USGS topographic maps in Digital raster graphic form. [1] The map files were then hosted by archive.org to ensure the map data will continue to be freely available to everyone ...
The 2003 press release of the partnership said that 300 million maps had been served from 1999 to 2003. [2] TopoZone was one of the first topographic mapping site on the web, providing visitors with free viewing and printing of the full set of United States Geological Survey topographic maps covering the entire United States.
[2] The National Map is part of the USGS National Geospatial Program. [3] The geographic information available includes orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures and land cover. The National Map is accessible via the Web, as products and services, and as downloadable data ...
If you're more about the mountainous views, than Mountain View, then you might be pleased to hear that Magellan is bringing National Geographic's TOPO! maps to its eXplorist range of outdoor GPS ...
The Weather Channel 2 hours ago ... The Weather Channel 1 day ago On Today's Date: Valentine's 1895 America's 'Most Anomalous Snowstorm' January 2025's Gulf Coast snowstorm was impressive. This ...
The Weather Channel 9 minutes ago ... Live radars, alert maps, snow and rain totals. A powerful storm system will bring a mix of snow, rain and severe weather to the central and eastern U.S. this ...
Today's U.S. Topo quadrangle (1:24,000) maps are mass-produced, using automated and semiautomated processes, with cartographic content supplied from the National GIS Database. [34] In the two years from June 2009 to May 2011, the USGS produced nearly 40,000 maps, more than 80 maps per work day. [34]
TerraGo is the platform used by the USGS to deliver the US Topo Quadrangles over the web. The platform is based on a combination of software from multiple vendors, including Esri, TerraGo and others. The maps are delivered as GeoPDF products, which can be consumed by any PDF consuming software, including Adobe Reader. [5]