O'Sullivan, Timothy H. (1840-1882)

Ruins of bridge at Mrs. Nelson's, crossing on the Pamunky, 28th May, 1864.

Pontoon bridges, North Anna, constructed by the 50th N.Y.V. engineers, below railroad bridge, where a portion of the 2nd Corps, under Gen. Hancock crossed May 23rd, 1864.

View of log bridge at Quarles' Mill, North Anna, where a portion of the 5th Corps under Gen. Warren had to cross and carry the enemy's line of works on the crest of the hill.

Chesterfield Bridge on North Anna, Va., with rebel redoubt in the distance, carried by the 2nd Corps under Gen. Hancock, 23rd May, 1864.

Ruins of bridge at Germania Ford, where the troops crossed at under Gen'l Grant, May 4, 1864.

Erecting bridge across north fork of Rappahannock, near Sulphur Springs, Va.

View around Abraham Trossel's house, near centre of battlefield of Gettysburg.