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GIS Data and Websites
Where can you get data to use in a GIS? The UM Libraries have geospatial data in the collections, many websites have free data, and data can also be purchased.
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General
Statistics
Local Data
Health
Natural/Environmental/Biological/Climate
Remote Sensing/Aerial Photography
Census/Demographic
Commercial Data Providers
International
City Data
Data by State
U.S. Government
Maps
Reference
Organizations
Software
United States GIS Inventory
Ramona GIS Inventory
Produced by the National States Geographic Information Council (NSGIC); tracks data availability at state and local government level.
Natural Earth
Public domain map data, vector and raster, at varying scales.
Alabama - Kansas
Alabama - Data Portal
Alaska - State Geo-Spatial Data Clearinghouse
Arizona - Geodata Portal
Arkansas - GeoStor
California - Cal-Atlas
Colorado - Geographic Information Portal
Connecticut - U of CT MAGIC (Map and Geographic Information Center)
District of Columbia - D.C. Data Catalog
Florida - Geographic Data Library
Georgia - GIS Clearinghouse
requires login
Hawaii - Statewide GIS Program
Idaho Geospatial Office
beta
Illinois - Clearinghouse
Indiana - Spatial Data Portal
Kansas - Geospatial Community Commons
Kentucky - North Carolina
Louisiana - Atlas
Kentucky - Geography Network
Maine - GIS Data Catalog
Maryland GIS Resources
Massachusetts - Geographic Information System
Michigan - Geographic Data Library
Minnesota - Geographic Data Clearinghouse
Mississippi - Geospatial Clearinghouse
Missouri - Spatial Data Information Service
Montana - Geographic Information Clearinghouse
Nebraska - Geospatial Data Center
Nevada Maps and Imagery
New Hampshire - GRANIT
New Jersey - NJ Geographic Information Network
New Mexico - Resource Geographic Information System
beta
New York - NY GIS Clearinghouse
North Carolina - NC OneMap
North Dakota - Wyoming
North Dakota - GIS
Ohio - OGRIP (Ohio Geographicallyl Referenced Information Program)
Oklahoma - Center for Geospatial Information
Oregon - Geospatial Enterprise Office
Pennsylvania - PASDA (Pennsylvania Spatial Data Access)
Rhode Island - RIGIS (Rhode Island Geographic Information System)
South Carolina - Department of Natural Resources
South Dakota - GIS
Tennessee - GIS Spatial Data Server
Texas - General Land Office GIS Data
Utah - GIS Portal
Vermont - Center for Geographic Information
Virginia - GIS Clearinghouse
Washington - State Geospatial Clearinghouse
West Virginia - GIS Technical Center
Wisconsin - State Cartographer's Office
Wyoming - Geographic Information Science Center
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