Data and Services Page of the Federal (US) Geographic Data Committee
Gateway of the National Geopatial Data Clearing House
NYS GIS Clearinghouse – NYS FGDC Clearinghouse node for GIS data
GIS Data Depot – On-line data and information
CIESIN – Interactive mapping applications, socioeconomic data.
National Atlas – US National Atlas (raw data dowload)
USGS GEODATA – DLG, DRG, digital maps
Seamless Map – Server from USGS
EPA ENVIROMAPPER – Dynamic query of environmental information
NESDIS – National Environmental, Satellite Data and Information Service
FGDC – Federal Geographic Data Committee – GIS data standards and the National Spatial Data Infrastructure (NSDI)
Spatial Data Infrastructure Links provided by the Glogal Spatial Data Infrastructure Association.
MassGIS – Massachusetts Geographic Information System
IWMI – International Water Management Institute Remote Sensing and GIS Archive
GOS – Geospatial One Stop
GIST – Data Repository of the Geographic Information Support Team
Nationalmap – USGS National Map provides public access to high-quality, geospatial data and information from multiple partners
For Satellite Imagery and other Raster:
CGIAR-CSI Consultative Group for International Agriculture Research – Consortium for Spatial Information, with pointers to other Geospatial Services
GLCF – Global Landcover Facility
ESA -Â global land cover map
Geonetwork opensource – interactive maps, satellite imagery and related spatial databases.
List of WMS servers with public data.