Maps Internet Resources
Basic Geographic Information
Online Map Collections
Online Map Collection via University of Texas. Online maps of the world and world city maps from Perry-Castaneda Library.
Color Landform Atlas of the United States Shaded Relief Map, County Map, Satellite Image, 1895 map scanned from the Rand McNally Atlas of the World.
Historical and Modern
Maps via University of Kansas. Online historical maps of the United
States.
USGS Mapping Services access to USGS maps available online.
Local (VA)
Resources (Via the GMU Libraries' Geography Subject page )
Interactive Mapping Center
MapQuest provides worldwide, national, regional, city, and street level maps.
Yahoo Maps provides street maps of anywhere in the U.S.
Tiger Map Server provides interactive mapping interfaces with "95 Tiger/Line files.
Demographic Data Viewer provides thematic maps of the 1990 U.S. Census data.
Digital Chart of the World provides interactive mapping services and allows you to download the boundaries and layers of individual countries in Arc/Info Export format.
Geostat via University of Virginia provides customized maps of a Virginia county and links to other interactive mapping centers available on the Internet.
Massachusetts Electronic Atlas provides interactive maps in Boston and Massachusetts area.
PennState Maps and Geography provides interactive maps for Pennsylvania county and Zip code.
West Virginia Databases and Mapping provides interactive maps for the entire state.
Geo-Spatial Data Center
The sites listed here provide raw GIS data files that can be downloadable and include extensive metadata.
ESRI's ArcData Online access to Tiger/Line '95 data for the entire U.S.
EPA links to comprehensive GIS spatial data from Federal, State, and Local levels.
Looking for Free Data:
links to mostly free online geospatial data sites.
National Geospatial Data Clearing House U.S. Geological Survey Node DEMS, DLGS, DOG's Digital satellite images layers available in Arc/INFO export and SDTS formats.
USGS Global Land Information System access to DLG, DEM, Landsat, and Orthophoto guads. See also US GeoData via USGA
Earth Resources Observation Systems (EROS) Data Center NASA Landsat data and landscape characterization data.
U.S. Department of Transportation-Geo-spatial Data data for counties, urbanized areas, congressional district, national parks, and national transportation analysis regions.
National Resources Conservation Service (NRCS) Data Resources GIS vector data in DLG-3 optional format and GRASS 4.1 format.
U.S. Fish and Wildlife Service's National Wetlands Inventory Data for all National Wetlands Inventory 7.5 quad maps in DLG format.
Idaho Geospatial Data Center access to the state of Idaho’s DLG, DRG, DEM, and Tiger/Line data and links to the Web sites for Idaho geospatial data
INSIDE access to the Idaho's numeric
and GIS data with an image viewer.
State of Kansas GIS Data Access and Support Center access to a variety of primarily Arc/INFO export data related to Kansas.
MAGIC (Map and Geographic Information Center) access to spatial data for Connecticut and county boundaries for all 50 states in Arc/INFO export format.
Montana Natural Resource Information System access to Montana GIS databases including ground water map resources.
NYS Tiger/Line Data access to Tiger/Line data of 62 counties of New York State in Arc/INFO exportable files.
Geodata Information Sources via University of Iowa access to information about digital and environmental data that can be accessible via the WWW.
PASDA (Pennsylvania Spatial Data Access) access to metadata related to Pennsylavania Environment.
Washington State Geospatial Data Archive
access to Washington State's DEM, DLG, and other geo-spatial data coverages for the Pacific Northwest.
Washington State Geospatial Data Clearinghouse provides a node for spatial data available via Washington State and links to Washington State Geographic Information Council.
GIS Software and Publications Sites
ESRI a leading software company for GIS such as ArcView and Arc/Info.
ERDAS a mapping software company in Geographic Information Imaging Solution.
ETAK offers skymaps by using Global Positioning System
GEO World access to GIS related periodicals such as GIS world and Business Geographics.
GISLinx includes a categorized list of GIS applications.
Geoplace offers GIS World, GIS Europe, GIS Asia/Pacific. GeoInformation Africa, other mapping magazines, and GIS events and news, articles, and product reviews and much more.
GRASS (Geographic Resource Analysis Support System) access to the software for a public domain raster and vector-based GIS, image processing system, and spatial modeling system.
NCGIA (National Center for Geographic Information Analysis) via UC-San Diego links to other NCGIA centers and their research publications and products.
Other Useful Sites
Alexandria Digital Library Project links to a comprehensive list of spatial data on the Web.
American
Factfinder Tutorial (U. of Michigan) offers a web-based tutorial with
excercises for the American Factfiner.
Federal Geographic Data Committee offers Information on the Contents of Digital Geospatial Metadata Standard and links to National Spatial Data Infrastructure (NSDI).
GIS via St. Charles City-County Library District offers a list of comprehensive GIS internet resources.
GAP (Geographical Analysis Program) a geographical approach to planning for biographical diversity.
What is a GIS?
GIS FAQ
GIS Jobs Clearinghouse and Geosearch top spots for GIS Job seekers and employers looking for new hires.
GIS Tools and Training offers tutorials on GIS software including ArcView and Arc/INFO.
GIS Tutorials for Creating Maps of Census Data using Wessex Products via University of Michigan.
Guide to Mostly Online and Mostly Free U.S. Geospatial and Attribute Data.
Starting the Hunt provides sources of digital geospatial data and metadata related to the U.S.
Metadata and WWW Mapping Home page links to the sites on Metadata and other useful Map Browsers.
Nice Geography and GIS Sites via University Utrecht
A collection of geography and GIS related sites all over the world.
Transforming Libraries: Issues on GIS offers issues related to libraries in providing GIS services and links to University GIS Sites.
Useful Sites for MapInfo Users