[A survey of a plot in Lancaster and Northumberland counties bounded by the Chesapeake Bay, Rappahnnock River, and the Potomac River ] /

Relief shown by hachures.

Civil War, 1861-1862 /

Shows movement of Union and Confederate forces, location of their respective victories, extent of their respective territories controlled in Dec. 1862, and the Union naval blockade.

Civil War, 1863-1865 /

Shows movement of Union and Confederate forces, location of their respective victories, extent of their respective territories controlled in March 1865, and the Union naval blockade.