Timothy H. O' Sullivan, (1840-1882)
This photograph is from the Eastern Theater, where Union and Confederate armies met both in July 1861 and August 1862. Gen. McDowell, the losing commander at First Manassas, set up field operations around Manassas after failing to defeat General Stonewall Jackson in the Shenandoah Valley.
Glass, stereograph; wet collodion
10 1st St SE Washington,District of Columbia 20003
Library of Congress