Terrain & elevationUSGS
USGS topographic contours
Tri-resolution contour lines, rendered from 3DEP elevation.
Vector contour lines derived from USGS 3DEP elevation at 100ft, 40ft, and 20ft intervals. Rendered server-side so contours stay sharp at every zoom without round-tripping to a vendor.
Coverage
50 states
Refresh cadence
Static; regenerated when underlying 3DEP DEM updates land
Status
Live in production
Agency
Used in Bield
Where this dataset shows up in the apps.
Bield: Hunt
Terrain map
Default Hunt map style. Three contour layers fade in/out by zoom.