Jefferys, Thomas, -1771Relief shown pictorially. Shows "Deg. west from London" and "Hours west from London." Decorative title cartouche depicting a cliff, waterfall, and natives. Later copy lacking Jeffery's name below title. 1 map: hand col.; 18 x 22 cm.JPEG65453732-3723-4020-980f-b26471d26ec4engPublicNorth America.MapsNorth Americabetween 1700 and 1799University of Michigan