A hand-drawn map of midwestern "territories" in North America (now United States), 1785. Map was drawn by Pierse Long of New Hampshire, and includes illustrations of the boundaries of Pennsylvania, Lake Michigan, Lake Erie, Lake Huron, Detroit, Niagara, the Ohio River, the Mississippi River, and other tributaries. A fort is also labeled near Lake Michigan. Map has a scale and compass at bottom right; caption at bottom right reads: "From C. P. Long Delegate/From N. Hampshire to his/friend Wm Ellery 1785." Reverse has a caption that reads: "Map of Western/Territory by Honble [sic]/Pierse Long.-/1785".