Data Sources
This list of GIS data sources is by no means comprehensive. This list is periodically updated from the Moodle GIS Data Source Wiki where members of the GIS User Group contribute new online data sources.
Editable List of GIS Data Sources
GIS Data Source Wiki - created and maintained by the St. Olaf College GIS User Group. St. Olaf GIS users: please contribue your GIS data source links to the Wiki! You can also correct any out-of-date links in the list. Use your college username to log on to Moodle.
General Data
ArcData Online Data Sets by Geographic Area
Department of Transportation GIS Data Resources Inventory
The Columbia Gazetteer of North America. - Useful for finding coordinates of towns.
U.S. Geological Survey
GIS data of the High Plains Regional Ground Water Study
Seamless Data Distribution System-Enhanced - online database of numerous GIS coverages for the entire United States
TerraServer V5.0 Homepage - interactive online database of topographic maps and air photos
Hazards Data Distribution System/Hurricane Katrina
Map Layers Warehouse - The National Atlas of the United States of America
List of USGS GIS coverages for water
NASA
The Earth Science Educator: Data Sets
MODIS Rapid Response System - Gallery
LP DAAC - General clearinghouse for NASA imagery (satellite & airborne)
Alaska Satellite Facility - Funded by NASA.
U.S. Dept. of Agriculture
Land Management Information Center - Air Photos of the Upper Midwest, FSA NAIP 2002-2004
State-Level Data
Minnesota
MN DNR Data Deli - online clearinghouse for MN ecological and physical data
LMIC: MN base maps for the 1990s - Digital orthophotographs
New York
NYS GIS Clearinghouse - Home Page
NY Education Department data inventory
Cornell University Geospatial Data Information Repository (CUGIR) - An FGDC Clearinghouse Node
General
Foreign Data Sources
Commercial Data Sources
