You may want to contact either the Atlanta History Center http://www.atlantahistorycenter.com/cms/Contact+Us/95.html
or the Atlanta Public Library http://www.afpls.org/
Either one of them should have it and if I am not mistaken the Atlanta History Center was the proponent for the journal.
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