1. [Map of part of northeastern Virginia] This map is the result of horseback surveys made by the writer and donor and other members. Maps University Of Michigan Public content 1864. Alexander, Samuel, Schedler, J. (Joseph), and United States. Army. Corps of Engineers. Relief shown by contours. "Engraved by J. Schedler 120 Pearl St. N.York." Manuscript note reads "This map is the result of horseback surveys made b...