...er. The return of these troops for July 20th exists in the Archive Office at Washington, and is the nearest one extant to the date of the battle. But in addition to these commands of infantry, General Lee took two brigades (Drayton's and Evans'), recently arrived from South Corolina. The whole infantry force was organized, I believe, as follows: Longstreet's division.  Regts. Kemper's Bri...