...y. The result was that on the 20th of Aug. the order constituting the Army of the Potomac was issued; and in addition to the two departments originally under my command, the troops in the Shenandoah, Maryland , and Delaware were also included in the Army of the Potomac, the old departments being broken up and merged in the newly created army. Thus I had command of all the troops on the line of the Potoma...