TN
GIS
Frequently Accessed Data Layers

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.  


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

County Boundaries       

County Seat Locations       

City Limits

Physical Geography

Watersheds (HUC - 12 digit and 8 digit) - NEW!!       

Detailed Streams       

Scenic Rivers

303D Streams - NEW! 2006 draft

Geology       

Land Cover       

Public Lands       

Soils (STATSGO - 1:250,000)

Soils (SSURGO - 1:20,000)     

Wetlands (NWI)

Transportation

Interstate Highways - mile posts, ramps, road segments, road descriptions, road geometry

Other

7.5' Quad Grid       

7.5' Quad Maps of Tennessee Coal Fields (DWG)       

National Grid for Tennessee       

Aerial Photographs of the Tennessee Coalfield