McPheson´s Army of the Tenn. [Federal] seized Decatur July 19, 1864 & on the 20th moved toward Atlanta in two columns ~ the 15th and 16th A.C. via the Ga. R.R. and the 17th by roads S. of it. Where Wheeler´s Cav. [Confederate] guarding the right of Atlanta´s outer defense line was posted.
Wheeler encountered Blair´s 17th A.C. at Clay St. & in a contest lasting all afternoon, endeavored to halt it ~ both forces using artillery. Toward evening, Wheeler withdrew W. to Leggett´s Hill where he was relieved at midnight by Cleburn´s div. (of Hardee´s Corp) [Confederate] which had been withdrawn from the engagement at Peachtree Creek for this purpose.
GHM 044-42 - Georgia Historical Commission - 1956
Plaque courtesy Lat34North.com.
Original page, with additional info, here.
Photo credit: Byron Hooks of Lat34North.com.