Available also through the Library of Congress web site as a raster image. Includes references to the township and range rectangular survey system. Prime meridians: Washington and London. Annotated on verso: No. 960. Title page of "Map of Illinois." Deposited 16 April 1818 by John Melish as proprietor. Mounted on cloth. Discolored with darkening along center fold.
Pen-and-ink and watercolor. Wagner, H. R. Cartography of the northwest coast, 708 LC Luso-Hispanic World, 81 Available also through the Library of Congress web site as a raster image. Magg's description on verso.