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OpenStreetMap (abbreviated OSM) is an online map that uses an open geographic database, updated and maintained by a community of volunteers via open collaboration. [4] Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import from other freely licensed geodata sources.
This citation template can be used to cite the topographic map found on the opentopomap.org website. Usage. Parameter Value
Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.
Topo NEXRAD DOQ: CalTopo Topo: GPS Visualizer 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 ...
The United States remains virtually the only developed country in the world without a standardized civilian topographic map series in the standard 1:25,000 or 1:50,000 metric scales, making coordination difficult in border regions (the U.S. military does issue 1:50,000 scale topo maps of the continental United States, though only for use by ...
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Mairie de Loevenich (), from the Topographic Survey of the Rhineland by Tranchot/Müffling, sheet 57 (published 1806/07).. A map series is a group of topographic or thematic charts or maps usually having the same scale and cartographic specifications, and with each sheet appropriately identified by its publisher as belonging to the same series.