GIS Workshop

   

100 top map sites	popular sites for maps	http://www.100topmapsites.com/
GIS Data Depot	DRG's, DLG's, DEM's	http://www.gisdatadepot.com
ArcData Online	2000 Census tiger files in shape file format	http://www.esri.com/data/download/census2000_tigerline/index.html
GeoCommunity - Software	Free Scripts, Extensions, Tools, Demos and More!	http://software.geocomm.com/
The California Spatial Information Library (Teal)	DRG's (trimmed)	http://www.gis.ca.gov
San Diego Association of  Gov'ts. (SANDAG)	San Diego County data	http://www.sandag.org
Center for Advanced Spatial Technologies	U.S. Geospatial and Attribute Data	http://www.cast.uark.edu/local/hunt/index.html
North America (& Global) Land Cover Characteristics data base	Continental based biosphere data	http://edcdaac.usgs.gov/glcc/na_int.html
Geogratis	Canadian data	http://geogratis.cgdi.gc.ca/
USGS National Geospatial Data Clearinghouse	Biological, Geological, National Mapping & Water Resource Info from the USGS	http://nsdi.usgs.gov/
United Nations Environment Program	World environment & population data	http://grid2.cr.usgs.gov
Terraserver	Topographic maps and digital orthophotoquads	http://www.terraserver.microsoft.com
	For help on using Terraserver data:	http://rockyweb.cr.usgs.gov/public/outreach/terraserver.html
GIS Websites by Category