 The 13th marched with the brigade from Wolf Run Shoals on June 25, crossed the Potomac river on June 27 at Edward's Ferry, and moved north through Frederick City and Creagerstown, Maryland.On the morning of July 1, it left Westminster, Maryland, arrived on the battlefield at Gettysburg after dark on the first day of the battle, and camped in a wheat field to the left of Cemetery Hill.On the afternoon of July 2, the 13th responded to a request by General Winfield S. Hancock to assist Lieutenant Gulian V. Weir, Battery C, 5th U.S.