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Data Resources

Tennessee Data Resources

TNMap Open Data Portal The state’s new portal making available data including administrative boundaries, political districts, water, state parks, and trails.
STS GIS Data Download state LiDAR and derived products including elevation (DEM), countours, and building footprints.
TNGIS Tennessee GIS Clearinghouse Provides links to other data sources and some Tennessee specific downloadable products derived from Federal datasets.
TWRA GIS  Tennessee Wildlife Resources Agency maintained maps and data.
Tennessee Property Viewer Interactive web map allowing users to browse property boundaries for the majority of Tennessee counties. No data download functionality. Some counties including Knox, Davidson, Shelby and Hamilton are not included.
Tennessee GIS Data at UTK Libraries Collection of links to data sources organized by theme maintained by Eric Arnold, UTK Libraries GIS Specialist.
Tennessee Spatial Data Nexus ArcGIS Open Data Site maintained by the UTK Geography GIS Labs
Tennessee State Data Center ArcGIS Open Data site hosting census and population data maintained by the Tennessee State Data Center

Local and Regional Data Sources

Nashville Open Data City of Nashville Open Data Portal containing various spatial and non-spatial datasets.
Chattanooga Open Data Portal maintained by the Chattanooga Public Library containing city and community data.
 Shelby County 911 Open Data  Downloadable data includes road centerlines, address points and emergency zones for Shelby County and Memphis.
North Carolina OneMap North Carolina’s geospatial portal
Georgia SDI Georgia Spatial Data Infrastructure. Direct link to GIS Clearinghouse here (account creation required).
Kentucky Geography Network Kentucky statewide data portal and mapping applications.
Virginia Open Data State of Virginia open data portal
South Carolina GIS Resource for GIS data maintained by various South Carolina state agencies.
Virtual Alabama Portal for multi-agency Alabama data coordinated by Alabama Department of Homeland Security. Login is required but anyone with education email address (ending with .edu) can create a free account.
Florida Geographic Data Library Comprehensive resource of state, federal and local datasets in Florida maintained by the University of Florida GeoPlan Center.

US Federal Government

US Census Bureau TIGER products  “TIGER products are spatial extracts from the Census Bureau’s MAF/TIGER database, containing features such as roads, railroads, rivers, as well as legal and statistical geographic areas.”
Data.GOV Comprehensive index of US Government open data including spatial and non-spatial.
USGS National Map Viewer Elevation (DEM), hydrography, imagery, land cover and other US Geological Survey products are downloadable from this interactive map. Go here for info on this tool and available data.
EPA Geospatial Resources  Applications and searchable datasets maintained by the US Environmental Protection Agency.
NRCS Geospatial Gateway US Department of Agriculture – Natural Resources Conservation Service resource includes soil, imagery, hydrology and climate data.
NOAA Digital Coast Resource for a variety of coastal datasets and geospatial tools including extensive collection of elevation and LiDAR data.
US Fish & Wildlife Service GIS Data Data related to wildlife conservation and fisheries including critical habitat areas, ecosystem regions, and the National Wetlands Inventory.
National Park Service Data Clearinghouse Data for NPS administered areas including National Parks, Monuments, Historic Sites and Seashores.
National Renewable Energy Laboratory GIS Data GIS resources relating to renewable energy including biomass, solar, geothermal and wind data.
USGS Earth Resources Observation and Science Center Collection of satellite and aerial imagery and derived products including land cover and fire maps.

US Non-Government

NSGIC GIS Inventory Multi-agency resource compiling datasets from state and local providers managed by the National States Geographic Information Council
Texas A&M GeoCoder Free geocoding engine for US addresses provided by Texas A&M University Geoservices.
The Nature Conservancy GIS
Open Topography Download high resolution topographic data in raster or point cloud formats. Most datasets are within US but some global availability.

Global & International Resources

GeoData at Tufts Comprehensive portal containing over 13,000 open datasets.
 United Nations Environment Programme Data Explorer
 WorldClim  Global Climate Data including rasters for temperature, precipitation, wind and solar radiation.
 ESRI Living Atlas of the World
Global Land Cover Facility “GLCF develops and distributes remotely sensed satellite data and products that explain land cover from the local to global scales”
HydroSHEDS Global hydrographic and watershed data created by a collaboration of the USGS and World Wildlife Fund.
FAO GeoNetwork Global resource for maps, GIS data and imagery maintained by the Food and Agriculture Organization of the United Nations.
GADM Database of Global Administrative Areas “Administrative areas in this database are countries and lower level subdivisions such as provinces, departments, bibhag, bundeslander, daerah istimewa, fivondronana, krong, landsvæðun, opština, sous-préfectures, counties, and thana.”

Other Good Stuff

GIS StackExchange Question and Answer site because if you’re having a problem you aren’t alone.
ColorBrewer Indispensable resource for color selection in cartography. Download an ArcGIS Style file with ColorBrewer palates here (no longer available on the ColorBrewer site).
Penn State Open Educational Resources Scroll down to the Department of Geography section for an extensive collection of open course materials.
 Lynda GIS Tutorials  Accessible with UTK Login.