Global Atlas of Paleovegetation since the Last Glacial Maximum
Color Landform Atlas of the United States
Annual Use Maps (pesticides)
U.S. Crop Acreage and Yield Maps - 1996
Magellan Geographix Online Atlas
Nebraska Statewide Digital Databases for GIS
Global Resources Information Database
National Geospatial Data Clearinghouse
U.S. DOT Bureau of Transportation Statistics
EPA Geospatial Data Clearinghouse
Natural Resources Conservation Service Data Resources
U.S. Fish and Wildlife Service National Wetlands Inventory
Map and Geographic Information Center at U. Conn.
State of Kansas GIS Data Access and Support Center
Virginia
TIGER Line Data Browser
UVa Geographic
Information Center page
Digital Chart of the World Data Server
Massachusetts Digital Orthophotos
Massachusetts Electronic Atlas
REGIS/Grasslinks (San Francisco Bay region)
New South Wales EPA Map Server
MapBlast
Traffic Net
Information (London Metropolitan Area) --requires Shockwave plugin