Culpeper, Virginia. Officers of U.S. Horse Artillery. Army of the Potomac

Title from Civil War caption books.Caption from negative sleeve: Officers of U.S. Horse Artillery Brigade, Army of the Potomac, Culpeper, Va., Sept. 1863.Creator attribution based on LOT 738, Cowan's Western & Historic Americana, Dec. 6 and 7, 2007; website at http://www.cowanauctions.com.Captain James M. Robertson, 2nd U.S. Artillery is seated in the center of the photo.Corresponding print is in LOT 4187.Forms part of Civil War glass negative collection (Library of Congress)