Batteries de West-point au haut de la Rivière d'York.
Scale ca. 1:5,400. Manuscript, pen-and-ink. Relief shown by hachures. Depths shown by soundings. Includes index to types of guns mounted. LC Maps of North America, 1750-1789, 1458 Available also through the Library of Congress Web site as a raster image. Vault AACR2: 440; 651/1