1. [Map of the river systems from Fort Presque Isle on Lake Erie to the Potomac River, showing French Creek, Allegheny River, the Ohio River between Pittsburgh and Great Beaver Creek, the Monongahela River and the Youghiogeny River]. Publication/Creation: [Place of publication not identified] : [publisher not identified], [1754] Format: Map Access & Availability: Loading
2. Carte des lacs Champlain et du St. Sacrement Publication/Creation: [Place of publication not identified] : [publisher not identified], [between 1750 and 1759?] Format: Map Access & Availability: Loading