Sue,
Try this link for a capsule history.

http://extlab1.entnem.ufl.edu/olustee/6th_GA_inf.html

You may find additional information with the GA CSA message board.

The unit served under Gen. Pegram's Division and Gen. Davidson's Brigade and under Col. John R. Hart at Chickamauga in Sept. 1863.

Cordially,
Jeff