Statistics for occurrence #1 of “Zzz” in chapter 47 of The Atlanta (Georgia) Campaign: May 1 - September 8, 1864., Part I: General Report.:

...rig., Second Div., 4TH Army Corps, Near Atlanta, Ga., September 15, 1864. Captain: I have the honor to forward the following as the report of the casualties of my command to September instant: Zzz Very respectfully, your obedient servant, G. D. Wagner, Brigadier-General, Commanding. Capt. George Lee, Asst. Adjt. Gen., Second Div., Fourth Army Corps
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† ZZZ 3,532 210 0 0 0 user votes
Interrogavi Terramn Zzz 4 0 0 0 0 user votes
March Zzz 2 0 0 0 0 user votes
S. ZZZ 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.