Type of data | US, Large Scale (Small Area) | World, small scale (large area) | World, Large Scale (Small Area) |
Not a good choice |
The following countries have good, free lidar:
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DEM, resolution from 1 m to 100 m |
3DEP from
National Map
(directions)
and National Map
Viewer (download) Key Global Regional DEMs CoNED, Coastal National Elevation Data |
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Orthoimagery, about 1 m resolution or better |
NAIP and higher resolution download (check both USGS sites; they might have different imagery)
WMS service |
Not a good choice | |
Satellite imagery, 10-30 m resolution |
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Land Cover | US NLCD from MLRC, 30 m resolution | 300 m C3S Global Land Cover | |
Vector data |
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Gazetteer | National Map Viewer or USGS GNIS for state | NGA for foreign countries |
US state sites | Country sites | All Free Data | Key Global Regional DEMs |
Last revision 7/24/2021