Large Civil War photograph mounted on card stock depicting Rossville Gap in Missionary Ridge with Union soldier right foreground and the former home of Cherokee Chief John Ross right background, which was used as the headquarters of Major General Gordon Granger, Reserve Corps, Army of the Cumberland, at Rossville Gap during the Battle of Chickamauga. Titled en verso "The Rossville Gap – Through Mission[sic] Ridge/Georgia/1863" and signed lower right "C. H. Boyd" and in crayon "Boyd" upper right corner. Captioned lower left of photo "The Rossville Gap – Through Mission[sic] Ridge/Genl. Thomas stand at end of Chickamauga" and captioned lower right "The House of The Chief John Ross". The identical image is featured in the book "The Civil War Through The Camera: Elson's New History In Sixteen Parts (16 Volumes); Comprising A Complete History Of The Civil War", published 1912, page 360. 13 3/4" H x 28" W. Provenance: The Estate of Charles Boyd Coleman, Jr., Chattanooga, TN. Descended in the family of Charles Harrold Boyd, who served on General George H. Thomas staff as Captain of the Topographical Engineers, Army of the Cumberland. (Information according to the "Civil War Record of Brown University", 1920). Charles Boyd's wife, Annette Maria Dearborn Boyd, was the daughter of Greenleaf Dearborn (1786-1846) and great granddaughter of Maj. General Henry Dearborn (1751-1829) on her mother's side. She and Charles Harrod Boyd had four children Annie Frances Harrod Boyd, Augusta Dearborn Boyd, Emily Dearborn Boyd, and Julia Wingate Boyd (wife of Lewis M. Coleman, Jr., Chattanooga, TN). CONDITION: Overall toning with some spotting. Chipping and losses to perimeter, some minor tears. Vertical fold line to the center.