Tennessee Base Map Imagery

The raw .TIF digital orthophotos and digital terrain models (DTMs) developed from the Tennessee Basemapping Program are available for sale on a per sheet basis.  More details about the nature, format and cost of the data can be found here

The digital orthophotos from the Tennessee Basemapping program  are available in the MrSID file format on a per-county basis and can be freely downloaded here.