1. A map of the British and French dominions in North America : with the roads, distances, limits, and extent of the settlements, humbly inscribed to the Right Honourable the Earl of Halifax, and the other Right Honourable the Lords Commissioners for Trade & Plantations Maps Pennsylvania State University Public content 1750. Mitchell, John, 1711-1768. Scale [ca. 1:4,000,000]. Not 69 1/2 English miles to a degree; 1 map; 66 x 96 cm. North America--Maps--Early works to 1800. U.S. Geological Survey.