The principle object of the wide swing of Federal forces S.E. from Roswell, where they crossed the Chattahoochee, was to cut the Ga. R.R. at & near Stone Mountain, thereby isolating Atlanta from the east.
Pursuant to plan, Logan´s 15th A.C. was posted at Browning´s Courthouse (Tucker) as support to Garrard´s Cavalry in its move on the R.R. between Stone Mountain and Decatur.
Lightburn´s brigade, of Logan´s corps, moved on this road with Garrard´s Cavalry, July 18, 1864, to Stone Mountain ~ their progress resisted & impeded by Wheeler´s Cavalry [Confederate] all the way.
GHM 044-15 - Georgia Historical Commission - 1984
Plaque courtesy Lat34North.com.
Original page, with additional info, here.
Photo credit: Byron Hooks of Lat34North.com.