The J. Paul Getty Museum
George N. Barnard
License, verbatimCC0
The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
George N. Barnard. Battle Field of Atlanta, Georgia, July 22, 1864, No. 1, negative about July 22, 1864; print 1866. The J. Paul Getty Museum.