1/3rd arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP
          Downloadable Data Collection
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1/3 arc-second
        (approximately 10 m) resolution. The 3DEP data holdings serve as the elevation layer of The
        National Map, and provide foundational elevation information for earth science studies and
        mapping applications in the …