Colton, J. H. (Joseph Hutchins). "Colton's new topographical map of the states of Virginia, Maryland & Delaware, showing also eastern Tennessee & parts of other adjoining states." Map. New York: J.H. Colton, 1863. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:cj82kv12g (accessed April 24, 2024).