... of the Department to that of the Shenandoah. It was only one week later that the Army of the Shenandoah--with the exception of my regimentwas ordered to cross the Potomac, and take up positions in Maryland . With an addition to my command of twenty cavalry men, I was left with the Second to occupy and hold Harper's Ferry. The order directing me to hold that outpost was dated the twenty-eigltlh of Ju...