GIS Resources

: :  General GIS Resources  : :  Dictionaries  : :  Best Bets for GIS Data  : :  
: :  State Data Clearinghouses  : :  Other GIS Resources  : :

• GIS Bibliography
  • Part of ESRI's Virtual Library, this database contains over 75,000 references to GIS publications, including journal articles, books, conference proceedings and more.
• GIS WWW Server (University of Edinburgh)
• GIS Internet Resources (U.S. Army Corps of Engineers)
  • "These pages provide pointers to GIS companies, associations, and government web pages as well as sources of software, data, publications, and services."
• Yahoo: Geographic Information Systems (GIS)

• AGI GIS Dictionary
• ESRI GIS Dictionary
• Dictionary of Abbreviations and Acronyms in Geographic Information Systems, Cartography, and Remote Sensing

• National Geospatial Data Clearinghouse
  • Search for Geospatial Data
• GeoData.gov
• Michigan Geographic Data Library
  • "Serves as the state's repository of digital geographic information. This site currently contains over 60 unique statewide datasets including the state's basemap (MI Geographic Framework), aerial imagery, geology, hydrography, land ownership, topography, and much more."

• Alabama
  • Geological Society of Alabama - Downloadable GIS Datasets
    
• Alaska
  • Alaska Geospatial Data Clearinghouse
  • Alaska State Geo-Spatial Data Clearinghouse
• Arizona
  • Arizona Geographic Information Council
  • Geographic Information Systems at the University of Arizona Library
• Arkansas
  • Arkansas Geographic Information Systems Gateway
• California
  • Geospatial Information Office
• Colorado
  • GIS Colorado
  • Colorado Geographic Information
• Connecticut
  • Connecticut Geospatial Information Systems Council
    
• Delaware
  • Delaware Geographic Data Committee
  • Delaware Metadata Explorer
• Florida
  • Florida Geographic Data Library
• Georgia
  • Georgia Spatial Data Infrastructure
    
• Hawaii
  • Hawaii Statewide GIS Program
• Idaho
  • INSIDE Idaho Interactive Numeric & Spatial Data Engine
• Illinois
  • Illinois Natural Resources Geospatial Data Clearinghouse
• Indiana
  • Indiana Spatial Data Portal
    
• Iowa
  • Iowa Geospatial Data Clearinghouse
• Kansas
  • Kansas Geospatial Community Commons
• Kentucky
  • Kentucky Division of Geographic Information
• Louisiana
  • Atlas: The Louisiana Statewide GIS
  • Louisiana Geospatial Metadata Catalog
• Maine
  • Maine GIS Data Catalog
• Maryland
  • Geospatial Data from the Maryland Department of Natural Resources
• Massachusetts
  • Massachusetts Geographic Information System
• Michigan
  • Michigan Geographic Data Library
• Minnesota
  • Minnesota Geographic Data Clearinghouse
• Mississippi
  • Mississippi Automated Resource Information System
• Missouri
  • Missouri Spatial Data Information Service
• Montana
  • Montana Geographic Information Clearinghouse
• Nebraska
  • Nebraska Geospatial Data Center
• Nevada
  • Metadata Explorer
  • Virtual Clearinghouse for Nevada Geographic Information
• New Hampshire
  • New Hampshire Geographically Referenced Analysis and Information Transfer System (GRANIT)
• New Jersey
  • New Jersey Geographic Information Network
  • New Jersey Department of Environmental Protection Bureau of Geographic Information Systems
• New Mexico
  • New Mexico Resource Geographic Information System Clearinghouse
• New York
  • New York State GIS Clearinghouse
• North Carolina
  • North Carolina Center for Geographic Information and Analysis
• North Dakota
  • North Dakota Geographic Information Systems
• Ohio
  • Ohio Geographically Referenced Information Program
• Oklahoma
  • Oklahoma Center for Geographic Information Interactive Data Download
  • Center for Spatial Analysis Data Warehouse (Univ. of Oklahoma)
• Oregon
  • Oregon Geospatial Data Clearinghouse
• Pennsylvania
  • Pennsylvania Spatial Data Access
• Rhode Island
  • Rhode Island Geographic Information System
• South Carolina
  • GIS Data Server & Clearinghouse (Univ. of South Carolina)
  • South Carolina Department of Natural Resources Geographic Information System
    
• South Dakota
  • South Dakota Geological Survey
• Tennessee
  • Tennessee Spatial Data Server
• Texas
  • Texas Natural Resources Information System
• Utah
  • Utah GIS Portal
• Vermont
  • Vermont Center for Geographic Information Data Warehouse
    
• Virginia
  • University of Virginia Geostat Center: Digital Maps and Geospatial Data and Links
    
• Washington
  • Washington State Geospatial Clearinghouse
  • Washington State Geospatial Data Archive
• West Virginia
  • West Virginia DEP GIS Server
  • West Virginia State GIS Data Clearinghouse (West Virginia University)
• Wisconsin
  • Wisconsin Land Information Clearinghouse
• Wyoming
  • Wyoming Spatial Data Clearinghouse
  • Wyoming Geolibrary
    

• Bureau of Transportation Statistics Mapping Center
  • "The Mapping Center provides mapping and data download applications you can use to geographically analyze and retrieve data in the TranStats Data Library and provides access, through a map based download interface, to all transportation geospatial data collected and maintained by the USDOT."
• GeoConnections
  • "GeoConnections helps decision-makers use online location-based (or "geospatial") information, such as maps and satellite images, to tackle some of Canada's most pressing challenges. The program focuses on working with partners in public health, public safety and security, the environment and sustainable development, Aboriginal matters, and geomatics technology development."
• Cartographic Boundary Files (U.S. Census Bureau)
  • "The boundary files available here are selected generalized extracts from the Census Bureau's TIGER geographic database and are designed for use in a Geographic Information System (GIS) or similar mapping system."
• Environmental Protection Agency's Clean Air Markets - Data & Maps
• ESRI
  • GIS and mapping software producer
• Geography Network
  • Includes downloadable data and other resources
• Federal Highway Administration: GIS in Transportation
• Fish and Wildlife Service Geographic Information Systems and Spatial Data
• Forest Service Geodata Clearinghouse
• Water Resources Maps and GIS Information (USGS)
• Great Lakes Information Network
  • Regional GIS Data by Topic
    
• National Atlas of the United States Map Layers
• National Park Service Data Clearinghouse
• National Wetlands Inventory - Geospatial Wetlands Digital Data
  • Create custom maps online or download data to be used by GIS software.
• TIGER and TIGER/Line Products (U.S. Census Bureau)
• U.S. Geological Survey National Geospatial Program