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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 ...
Eastonville is an extinct town in El Paso County, Colorado, United States. [2] A post office named Easton opened on May 6, 1872, but the name was changed to Eastonville on September 28, 1883. The post office closed on May 11, 1932. [ 3 ]
The data was entered in spreadsheet format or in ESRI shapefiles and submitted via e-mail to the USGS National Geospatial Technical Operations Center(s) in Denver, Colorado, and Rolla, Missouri. During the registration process, prospective volunteers submitted a list of the 7.5 minute quadrangle maps on which they wished to work.
The maps are produced by the USGS, which encourages the distribution of their maps through business partners. TopoZone offered aerial photographs from the USGS and street maps from the United States Census Bureau. In 2007 complete coverage of Canada was added, using the topographic map series produced by Natural Resources Canada.
In addition to matching the Topozone URL's, the website offers free download of GeoTIFFs, which Topozone had only offered for a premium. TopoQuest started adding Canadian 1:50K scale topographic maps in July 2008, and USGS 1:100K and 1:250K scale topographic maps in March 2009.
All the major mountain ranges in the state of Colorado, United States, are considered subranges of the Southern Rocky Mountains. As given in the table, topographic elevation is the vertical distance above the reference geoid , a mathematical model of the Earth's sea level as an equipotential gravitational surface.
Colorado, Wyoming, and Utah are the only states that have their borders defined solely by straight boundary lines with no natural features. [4] The southwest corner of Colorado is the Four Corners Monument at 36°59'56"N, 109°2'43"W. [5] [6] This is the only place in the United States where four states meet: Colorado, New Mexico, Arizona, and ...
The City of Leadville, Colorado has been the highest elevation incorporated city in the United States since its incorporation on February 18, 1878. The Town of Winter Park, Colorado has the highest elevation within the municipal boundaries of any town in the United States at 12,060 feet (3,676 m).