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North Carolina Center for Geographic Information and Analysis
The Center for Geographic Information and Analysis (CGIA) is the lead agency for geographic information systems (GIS) services and GIS coordination for the State of North Carolina.
North Carolina OneMap
NC OneMap is a public service providing comprehensive discovery and access to North Carolina's geospatial data resources.
NC County information
The NCSU Libraries has acquired a considerable amount of GIS data from North Carolina county governments.
NC Dept. of Transportation
NCDOT GIS Data Distribution
Geospatial One Stop
As part of our continuing efforts to increase awareness of and access to geospatial data and services, Data.gov has integrated the Geospatial One-Stop (GOS) portal and catalog, and added some exciting improvements to both the user interface as well as the underlying infrastructure.
Appalachian Trail Conservancy
Mapping and GIS page provides free data sets in multiple formats. Coverage limited to the Appalachian Trail region and features.
Provides topological, boundary, flood, elevation, orthophoto,wetlands, hydrography, vegetation, transportation, and other government data sets. Free to burned to CD for a fee.
Geospatial One Stop
Web portal for geospatial data produced by most federal agencies. Data categories include agriculture, demographic, environment, orthophoto and imagery, transportation, business and many others. Provides external links to some sources.
National Geospatial Data Clearinghouse
A collection of over fifty spatial data servers that index digital geographic data.
Seamless Data Distribution System
Data sets from multiple government agencies plus limited international data. Free data downloads from user-defined parameters.
U.S. Census Bureau Maps and Cartographic Resources
Geospatial information including links to map documents, tables, data sets and related web sites.
National Atlas of the United States
Data download interface for National Atlas data sets. Nearly all data available in the National Atlas Map Maker can be downloaded free through this site. Data categories include agriculture, biography, boundaries, climate, environment, history and geology.
National Historic Geographic Information system
Population, housing and economic data sets from the U.S. Census. currently covering 1950-presnet. This ongoing project is working to provide earlier data, ultimately back to 1790. Free. Registration required.
National Park Service Data Clearinghouse
Free data sets available from National Park lands - including parks, monuments, seashores, battlefields, etc.- in all fifty states.
University of Arkansas Libraries
The GIS Department, University of Arkansas Libraries compiled a useful "Starting the Hunt" state-by-state guide.
Data portals link
Popular or commonly used data sets for ESRI software. Some free, many for purchase.
ESRI Data Downloader
Interactive viewer allows selection of regions for data sets. International coverage. Free Downloads. formatted for ESRI software.