If I remember correctly what Lee White once posted, the remains of those buried at Chickamauga were removed to Marietta post-bellum and interned at the Marietta Confederate Cemetery.

I hope this helps.

Respectfully,

Gerald D. Hodge, Jr.
M.A. Military History - Civil War Concentration
Research – Preservation
Historian: 39th Georgia Volunteer Infantry Regiment
http://39thgavolinfrgt.homestead.com/39thHomepage.html