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  1. 3 lis 2022 · Use The National Map Viewer to explore base-layer GIS data, see availability of USGS topographic maps, and create your own web map.

  2. This information includes topographic maps and geographic information system (GIS) data for elevation, hydrography, watersheds, geographic names, orthoimagery, governmental units/boundaries, transportation, and land cover.

  3. National Land Cover Database (NLCD) data can be downloaded at the MRLC website. The TNM Download Client is built on modern web technologies and features a simplified approach to downloading products from The National Map.

  4. The National Map supports data download, digital and print versions of topographic maps, geospatial data services, and online viewing. Customers can use geospatial data and maps to enhance their recreational experience, make life-saving decisions, support scientific missions, and for countless other activities.

  5. Explore and visualize the geospatial data of the USGS with The National Map - Advanced Viewer, a web application that offers various tools and features.

  6. The National Elevation Dataset (NED) is the primary elevation data product produced and distributed by the USGS. The NED provides seamless raster elevation data of the conterminous United States, Alaska, Hawaii, and the island territories.

  7. TNM Access provides REST APIs to access the National Map (TNM) data. Datasets : Returns the list of datasets available from USGS ScienceBase Catalog. Products : Provides search capability for map/data products available from USGS ScienceBase Catalog.

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