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The United States Geological Survey (USGS) historical topographic maps, some more than 65 years old, are useful to a glaciologist in determining glacier change. These maps were provided by the United States Geological Survey (USGS) [1] and archived to Wikimedia Commons.
Included are historical maps and publications of USGS, as well as early publications of many federal, state and other geological surveys. Records of select geological societies are also maintained in the collection, such as the Geological Society of Washington, which was founded by John Wesley Powell and other noted scientists after the Civil ...
Microsoft Research Maps (MSR Maps) was a free online repository of public domain aerial imagery and topographic maps provided by the United States Geological Survey (USGS). The site was a collaboration between Microsoft Research (MSR), Bing Maps, and the USGS. It was in operation from June 1998 to March 2016.
In 2008 the USGS abandoned traditional methods of surveying, revising, and updating topographic maps based on aerial photography and field checks. [33] 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. [33]
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 ...
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 ...
USGS Maps. Every USGS topographic map available for free download from the Internet Archive. OpenStreetMap - CC-BY-SA 2.0 vector map data collected by GPS; The Map Library - Maps for Central America and Africa. Tag with commons:Template:PD-MapLibrary (talk, backlinks, edit) GinkgoMaps - Free Digital Maps published under the CC-by Licence
USDA Aerial, USGS Topo: Historic Aerials Historic Aerials: NASA/MSFC GOES Weather Satellite: National Weather Service Area weather and forecast Graphical hourly pinpoint forecast: Natural Atlas Topo: TerraFly Satellite: TopoQuest USGS Aerial, Topo: Trails.com Topo: US EPA Watershed Info: USGS National Map Viewer Map: USGS TopoView Historic topo ...
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