Sources of imagery and GIS data
New
England FIM data (Arc export files of census geography, photointerpretation
points, and FIM plots with degraded coordinates)
Guide
to Mostly On-line and Mostly Free U.S. Geospatial and Attribute Data (links
page)
Earth
Science data on the Global Land Information System (imagery, GIS coverages)
Free
online USGS Geo Data (DEM's, DLG's, etc.)
Huge,
excellent list of GIS datasets (maintained by the Water people at USGS)
The
National Atlas of the United States of America (mostly GIS datasets)
Cartographic
Boundary Files - U.S. Bureau of the Census (Arc coverages of census geography
AND attributes (check the <coverage>.tbl file in the INFO directory)
Spatial
Data Links (maintained by SW Texas University)
The
GIS Data Depot (some free and commercial GIS data and imagery)
ESRI's
ArcData Online (tons of free/commercial GIS data, some imagery)
National
Gap Analysis Program (information on GAP and on obtaining data)
Locate
Your Watershed (EPA's fascinating watershed data site)
MRLC
Federal Regional Land Cover Datasets (imagery/land cover data)
NALC triplicates--link to www page and regional contacts...
FAS procurement -- link to Chuck Dull's address...
Terraserver (Microsoft's commercial
satellite/airphoto site); some free imagery