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| Bloomington, IN |
| City of Austin, Texas |
| City of Bloomington, Indiana |
| City of Monrow, NC |
| Henderson County, NC |
| Nova Scotia Abandoned Mine Openings Database |
| Sedgwick County, Kansas |
| Tallahassee-Leon County GIS, Services & Data Available |
| Texas Water Development Board |
| The Kenai Peninsula Borough, AK |
| Town of Carrboro, North Carolina |
| USDA NATURAL RESOURCES CONSERVATION SERVICE |
| Utah Oil and Gas, Department of Natural Resources |
| Volusia County, Florida |
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| Alaska Geospatial Data Clearinghouse |
| Allegeny National Forest |
| Appalachian Trail GIS Data |
| Appalachian Trail, Conservancy |
| Arizona BLM statewide |
| Asia Population Data |
| California Spatial Information Library (CaSIL) |
| Earth System Atlas |
| Fish Data |
| Generalized Geologic Map of the Conterminous United States |
| George Washington and Jefferson National Forest Bridgewater, Virginia |
| GIS Texas General Land Office |
| Idaho Panhandle National Forests |
| Illinois Datasets by County |
| Illinois Natural resources Geospatial Data Clearing House |
| Interactive Numeric & Spatial Information Data Engine |
| Lincoln National Forest, New Mexico |
| Massachusetts State GIS |
| MassGIS Download Free Data |
| Montana Fish, Wildlifw & Parks |
| Montana, Natural Resource Information System |
| National Altas.Gov Map Layers Warehouse |
| National Parks Service |
| National Water-Quality Assessment (NAWQA) |
| Nebraska GIS Data Bank |
| Northwest Forest Plan |
| Nova Scotia Abandoned Mine Openings Database |
| Nova Scotia, Canda |
| Offshore Minerals Management, Offshore Leasing Program |
| San Juan National Forest |
| Susceptibility to Slope Failure by Sliding and Earthflow, CA |
| Tertiary age intrusions and hydrothermal alteration in the Grand Mesa |
| Texas General Land Office GIS |
| Texas Parks and Wildlife |
| TNRIS Ftp site |
| U.S. DOT JWS U.S./Mexico Border Transprotation Planning |
| UGGS SageMap |
| Union County, North Carolina |
| US Census |
| USDA Forest Service, Southwestern Region |
| USDA Natural Resources Data |
| USDA Roadless Area Conservation |
| USGS - Coastal Vulnerability to Sea-Level Rise |
| USGS Spatial data for water |
| Washington State, Natural Resources |
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| "A GRASS GIS Approach" Book Online Supplement |
| 2002 Minnesota Congressional Districts |
| 9-County area San Francisco Bay area |
| 9-County San Francisco Bay Region, California |
| Advanced Hydrologic Prediction Service |
| Alachua County, Florida |
| Alaska Geospatial Data Clearinghouse |
| Alaska State Geo-Spatial Data Clearinghouse |
| Alberta Canada, Community Development |
| Alberta Geological Survey, Canada |
| Alberta's Parks and Protected Areas, Canada |
| Allegeny National Forest |
| Amador County, CA |
| America's National Wildlife Refuge System |
| Anchorage, AK |
| Appalachian Trail GIS Data |
| Appalachian Trail, Conservancy |
| Arbuckel Simpson aquifer, Oklahoma |
| Arizona BLM statewide |
| Arlington, Texas |
| Athens County, Ohio |
| Baltic Sea Region GIS |
| Barnegat Bay Resources |
| Bernalillo County, NM |
| Bloomington, IN |
| Boulder County, CO |
| Brazos County, TX |
| Brevard County, FL |
| British Columbia Programs and Services |
| British Columbia, Ministry of Energy and Mines |
| Broward County, FL |
| Bureau of Transportation Statistics |
| Bureau of Transportation Statistics |
| Bureau of Transprotation Statistics |
| Cabarrus County, NC |
| California Spatial Information Library (CaSIL) |
| Cass County Givernment, ND |
| Cass County Government, ND |
| Cass County, ND |
| China Admin Regions |
| Chugach National Forest GIS, Alaska |
| City and County of Honolulu, Hawaii |
| City of Albuquerque, MN |
| City of Arlington, TX |
| City of Austin - Land Use, Texas |
| City of Austin, Texas |
| City of Austin's Transportation, Planning, and Sustainability Department |
| City of Bakersfield, California |
| City of Bloomington, IN |
| City of Bloomington, Indiana |
| City of Chicago, IL |
| City of College Station, TX |
| City of Corvallis, Oregon (ftp) |
| City of Davis, California |
| City of Fort Collins, Colorado |
| City of Fort Lauderdale, FL |
| City of Gainsville, FL |
| City of Georgetown, Texas |
| City of Leeburg, FL, Historic Structures |
| City of Lee's Summit, Missouri |
| City of Lincoln and Lancaster County GIS |
| City of Lufkin, TX |
| City of Mansfield, Texas |
| City of Milwaukee, WI |
| City of Milwaukee, WI |
| City of Mobil, AL |
| City of Monrow, NC |
| City of New York Planning Deaprtment |
| City of Norfolk Shoreline Situation Report |
| City of Orlando Parks GIS |
| City of Panama City, FL |
| City of Pflugerville, Texas |
| City of Poquoson Digital Shoreline Situation Report |
| City of Redding, CA |
| City of San Jose, CA |
| City of Scottsdale, AZ |
| City of Spokane, Washington |
| City of West Sacramento, CA |
| City of West Sacramento, CA |
| City of West Sacramento, California |
| City of Winston-Salem / Forsyth County, NC |
| Clark County, Ohio |
| Clay County GIS, Minnesota |
| Climap Polygon Data, Mines and Minerals Division |
| Coastal & Estuarine Geology Program, Chesapeake Bay |
| Coastline Extractor |
| Collier County, FL |
| Colorado Department of Transportation |
| Colorado DOT |
| Colorado Oil & Gas Conservation Commission |
| Connecticut Department of Environmental protection |
| Connecticut Dept of Environment Protection |
| Connecticut Dept. of Environmental Protection |
| Connecticut EPA, Download Updates |
| Cornell University Geospatial Information Repository |
| County of Humboldt CA |
| County of Kern, CA |
| County of Sonoma, CA |
| Craven County, |
| CTA Transportation Networks |
| Dakota County, MN |
| Denver Regional Council of Governmenta |
| Diva-GIS |
| Earthquake Nothern California |
| Ecology Washington State |
| Ecosystem Restoration Program Information Network, CA |
| Ecuador |
| EPA |
| EPA GIS Data |
| EPA GIS DATA |
| EUB - Alberta Energy and Utilities Board |
| Fairbanks County, Alaska |
| Fargo-Moorhead Metropolitan council of Governments |
| FCC U.S. Boundary Files |
| FEMA Mapping and Analysis Center, Hurricane Katrina |
| Fish Data |
| Fitchburg and Leominster, Massachusetts |
| Florida Department of Transprotation |
| Florida Geographic Data Library |
| Fort Bend County, Texas |
| Garfield County, CO |
| Geauga County, OH |
| Generalized Geologic Map of the Conterminous United States |
| GeoBase, (registration required) |
| Georgetown Texas |
| Georgia Planning |
| Geosptial Data for Public Use Roads and Parking Lots |
| Gifford Pinchot National Forest |
| GIS Data center for San Diego Fire Recovery Network |
| GIS Data from the Alaska North Slope |
| GIS Texas General Land Office |
| GIS-based Atlas of Holocene Land Use |
| GIWA Regional Boundries |
| Grays Harbor County, WA |
| Great Basin Center for Geothermal Energy |
| Greenpease Italy, World Forests |
| Grid-Arendal: Online GIS and Maps Database |
| Hamilton County, IN |
| Harris County, (Houston) Texas |
| Harris County, Texas |
| Hawaii GIS |
| Hawaii Statewide GIS |
| Hawaii Statewide GIS Program |
| Henderson County, NC |
| Hernando County, FL |
| Hillsborough County, FL |
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