Data Collections
Frequently Accessed Data Layers
A collection of commonly used GIS datasets for Tennessee. Most data are
maintained in Tennessee State Plane, NAD83, units feet, to enable
overlay and integration functions, and are organized by theme.
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Metadata |
View Graphic |
Download |
Valuable Spatial Data Links
- NRCS Data Gateway - http://datagateway.nrcs.usda.gov/
Available Data – Watershed Boundaries, DRGs, USGS Quadrangle Indexes, Elevation Data, Imagery, Land Use Data, Crop Data, Geographic Names, Geology, Soils.
- USGS NHD (National Hydrography Dataset) – http://nhd.usgs.gov
Available Data – Watershed Boundaries, Streams and Rivers, Waterbodies
- Tennessee OIR GIS State Basemap Program - http://gis.tn.gov/
Available Data – Cadastral Data, DFIRM, Education, Legislative, Transportation, Imagery
Administrative Divisions
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County Boundaries |
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County Seat Locations |
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City Limits |
Physical Geography
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Watersheds (HUC - 12 digit and 8 digit) - NEW!! |
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Detailed Streams |
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Scenic Rivers |
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303D Streams - NEW! 2006 draft |
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Geology |
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Land Cover |
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Public Lands |
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Soils (STATSGO - 1:250,000) |
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Soils (SSURGO - 1:20,000) |
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Wetlands (NWI) |
Transportation
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Interstate Highways - mile posts, ramps, road segments, road descriptions, road geometry |
Other
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7.5' Quad Grid |
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7.5' Quad Maps of Tennessee Coal Fields (DWG) |
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National Grid for Tennessee |
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Aerial Photographs of the Tennessee Coalfield |
