G.W. & C.B. Colton & Co. "Colton's new topographical map of the states of Virginia, West Virginia, Maryland & Delaware and portions of other adjoining states." Map. New York: G.W. & C.B. Colton & Co., 1880. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82m3433 (accessed April 19, 2024).