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What is the USGS National Map?
The National Map is a suite of products and services that provide access to base geospatial information to describe the landscape of the United States and its territories. The National Map supports data download, digital and print versions of topographic maps, geospatial data services, and online viewing.
How do I download elevation data from USGS?
SRTM DEM data is being housed on the USGS Earth Explorer. To download, select your area of interest. Under the data sets tab, select Digital Elevation > SRTM > SRTM 1-ArcSecond Global .
What is a 7.5 minute quadrangle map?
A “quadrangle” is a topographic map produced by the United States Geological Survey (USGS) covering the United States. A 7.5 minute quadrangle map covers an area of 49 to 70 square miles (130 to 180 km2).
Where can I get Digital Elevation data for the US?
Digital elevation data for the United States and its territories are available through The National Map Downloader . Click the “Help” link at the top of the page for detailed instructions on how to find and download data. There is a separate site for The National Map Services . The 3D Elevation Program (3DEP) products and services available…
Where can I find the USGS National Map?
The National Map is featuring direct links to new and improved GIS data access utilities… U.S. Geological Survey, 2019, The National Map—New data delivery homepage, advanced viewer, lidar visualization: US. Geological Survey Fact Sheet 2019–3032, 2 p., https://doi.org/10.3133/fs20193032.
Is the USGS part of the National Geospatial program?
As one of the cornerstones of the U.S. Geological Survey’s (USGS) National Geospatial Program, The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation.
What do you need to know about the USGS?
The U.S. Geological Survey’s (USGS) Earth Explorer Web site provides access to millions of land-related products, including the following: Satellite images from Landsat, advanced very high resolution radiometer (AVHRR), and Corona data sets. Aerial photographs from the National Aerial Photography Program, NASA, and USGS data sets.