Brig.-Gen. Bradley T. Johnson, Confederate Military History, a library of Confederate States Military History: Volume 2.1, Maryland
Clement Anselm Evans, Ed.

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[160] He was subsequently chief engineer of the Philadelphia, Wilmington & Baltimore and the Boston & Providence railroads, and in 1860 was engaged in large railroad operations in the West Indies. During April, 1861, he was in command of the Baltimore organizations for the defense of the city from the Federal troops. He entered the service of Virginia, as colonel of engineers, in May, 1861, and was assigned by General Lee to the duty of constructing the defenses of Norfolk. In August he was commissioned brigadier-general in the Confederate provisional army, and ordered to report to General Johnston, by whom he was put in command of a brigade at Evansport, with the duty of erecting batteries and blockading the river against Federal shipping. Subsequently he was assigned to the command of a brigade of Ewell's division, which he accompanied to the support of Jackson in the Valley campaign of 1862 In this famous series of glorious battles and brilliant maneuvers he bore a conspicuous part, and at Cross Keys was particularly distinguished, where in command of two brigades, he repulsed the attack of Fremont, and being reinforced, in turn advanced and routed the enemy. During the Seven Days battles before Richmond, his brigade continued to be distinguished, particularly at Cold Harbor, where Trimble led in person a successful charge against the Federal defenses. Moving with Jackson's command against Pope, he fought his men with gallantry at Slaughter's Mountain; and at the time when Jackson lay in the enemy's rear at Bristoe Station, he was roused on the night of August 27th to receive notice that he could if he chose, capture Manassas Junction before morning. With five hundred men, already weary, he marched at once, and by midnight had crushed the Federal resistance at the point of the bayonet, and without the loss of a man killed, captured three hundred prisoners, eight guns and the immense Federal stores. Jackson at once wrote to him, ‘I congratulate you on the great success which ’