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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 ...
Because works of the U.S. government are in the public domain, it is also possible to find many of these maps for free at various locations on the Internet. Georeferenced map images are available from the USGS as digital raster graphics (DRGs) in addition to digital data sets based on USGS maps, notably digital line graphs (DLGs) and digital ...
The USGS also utilizes data from The National Map Corps, which consists of volunteers who devote some of their time to provide cartographic information on structures. [ 4 ] The National Map is the official replacement for the USGS topographic map program .
Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
Image:Blank US Map with borders.svg, a blank states maps with borders. Image:BlankMap-USA.png, a map with no borders and states separated by transparency. Image:US map - geographic.png, a geographical map. On Wikimedia Commons, a free online media resource: commons:Category:Maps of the United States, the category for all maps with subcategories.
U.S. Geological Survey National Center visitor entrance in 2011 The approximately 1,000,000 sq. ft., 1,200 foot long U.S. Geological Survey National Center building sits on a 105-acre site and is divided into three main sections—the agency administration offices, the laboratories, and the map reproduction area.
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.
USNGapp.org is a free browser-based app which shows a mobile user's current USNG location. Once loaded, the app works without an Internet connection. A growing number of software applications incorporate or refer to the US National Grid. See the External Links section below for links to some of these, including The National Map (USGS).