This link http://www.tngenweb.org/civilwar/usacav/usa3minf.html will probably give you the most detailed info on the regiment. Not a great deal there. They just didn't do a lot ! I had several relatives in this regiment. The closest being Jackson Simmons of Company F. His was paroled at Vicksburg as a member of the Confederate 3rd Maryland Artillery. Came back to east Tennessee and deserted.

Glenn Land