List of Free GIS Data Available
Digital Chart of the World (Penn State)
World History Maps and Charts (Holt, Rinehart & Winston)
University of Texas at Austin on-line Map Collection
UNEP/GRID Arendal In-Line GIS and Maps Database
Global Digital Elevation Data (90 m from SRTM) CGIAR-CSI portal USGS seamless distribution
Global Digital Elevation Data (30 m from ASTER)
International Water Management Institute On-Line Data Warehouse
Collins Software (miscellaneous free data links)
Global Landcover Facility (University of Maryland)
Adjusted and Homogenized Canadian Climate Data (Environment Canada)
Climate Research Datasets (links from U.Alberta)
National Land and Water Information Service
Canadian Soil Information System
Landsat TM/ETM 25m National Mosaic (SAFORAH)
Geological Survey of Canada Open File Reports
Provincial Land Type Information (Canadian Forestry Service)
Free Data from the GeographyNetwork.ca
Collins Software (miscellaneous free data links)
Saskatchewan Information Services Corporation (ISC)
Saskatchewan Designated Areas Digital Data
Geological Survey of Canada Open File Reports for Saskatchewan
Alberta Soil Information Centre
Land and Resource Data Warehouse (LRDW)
Provice of Manitoba Digital Data Warehouse
Nova Scotia Geographic Information Services
The Great Lakes Information Network
U.S. Census Bureau TIGER files
U.S. Fish and Wildlife Service
UNEP/GRID Sioux Falls Database
Alaska Geospatial Data Clearinghouse
The California Spatial Information Library
Idaho Department of Water Resources
Massachusetts Geographic Information System
New Jersey Department of Environmental Protection Bureau of Geographic Information Systems
New York State Geographic Information Systems Clearinghouse
The Utah Automated Geographic Reference Center
Geographic Information Systems at Stanford University
The University of Texas at Austin School of Architecture
Joe Piwowar's Home Page
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