![]() ![]() ![]() In 2020, Digital Elevation Models were migrated to the Cloud Optimized Geotiff (COG) format. The 3D Elevation Program (3DEP) products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, and elevation source (lidar) and associated datasets. There is a separate site for The National Map Services. Click the “Help” link at the top of the page for detailed instructions on how to find and download data. Digital elevation data for the United States and its territories are available through The National Map Downloader.
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