This map of the peninsula between Delaware & Chesopeak Bays, ...
Scale ca. 1:650,000. Prime meridian: Philadelphia. Inscribed "To the American Philosophical Society." Hand colored. LC copy imperfect: Deteriorated along folds. LC Maps of North America, 1750-1789, 1376 Available also through the Library of Congress Web site as a raster image. Vault AACR2: 100; 651/1; 651/2; 710/1
Churchman, John - American Philosophical Society
The State of Maryland from the best authorities.
Scale ca. 1:770,000. LC copy annotated in black ink. Prime meridian: Philadelphia and London. Relief shown pictorially. "Engraved for Carey's American edition of Guthrie's Geography improved." Inset: Continuation of the Potowmac River, from Fort Cumberland. Available also through the Library of Congress Web site as a raster image. Vault AACR2: 100; 440; 651/1; 700/2; 700/3
Lewis, Samuel - Barker, W. (William) - Carey, Mathew - Guthrie, William