Key Data Sets

Caveats on these lists.

US Interagency Elevation Inventory:   https://coast.noaa.gov/inventory/

Type of data US, Large Scale (Small Area) All US, small (continental) scale World, including US,
Lidar Point Clouds

US source, with directions

Not a good choice

The following countries have good, free lidar:

  • Denmark, Finland, Netherlands, Norway, Slovenia, Spain, United Kingdom
Orthoimagery

NAIP and higher resolution download  (check both USGS sites; they might have different imagery)

WMS service

Not a good choice  
DEM 3DEP from National Map directions and National Map Viewer downloads
Satellite imagery
Vector data TIGER overview  TIGER Download   
Land Cover US NLCD  from National Map Viewer   or MLRC Global GLC2000
Gazetteer National Map Viewer or USGS GNIS for state   NGA for foreign countries

 

US state sites  Country sites All Free Data

Last revision 10/9/2018