Decoding embedded S1M DEM…
Basemap (WMTS, draped)
Google satellite (MapSavvy WMTS, to z20)
USGS Imagery
USGS Imagery + Topo
USGS Topo
3D terrain
Exaggeration
1.3×
Hillshade (from S1M)
Color relief (from S1M)
Overlay opacity
Source lidar footprints
Dim area outside tile
Reset view
Top-down
Elevation (m, NAVD88)
White outline = S1M tile (10 km). Outside it, terrain is 3DEP 1/3 arc-second context only.
Move the mouse over the terrain