Map of the seat of war : showing the battles of July 18th & 21st, 1861 / published by V.P. Corbett.Corbett, V. P1861"Entered according to act of Congress in the Clerks Office of the U.S. District Court by V.P. Corbett in the year 1861 for the Dist. of Colum[bi]a.""Map of northern Virginia showing troop camps, entrenchments, forts, batteries, roads, railroads, street pcartographic