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Captain Snow's sketch. Historic map, Library of Congress
Scale not given. Manuscript, pen-and-ink. Relief shown pictorially. Shows location of forts, western Pennsylvania, northern Virginia, northern Maryland, Maryland-Pennsylvania boundary line, and "Road to Philade... More
Captain Snow's scetch of the country by himself, and the best accounts...
Scale not given. Manuscript, pen-and-ink and watercolor. Relief shown pictorially. Shows location of forts, western Pennsylvania, northern Virginia, northern Maryland, Maryland-Pennsylvania boundary line, and "... More