R.U.S.I. MAPS. Vol. LXXVIII. Large maps. 1. 'A map of the province of New York & part of New England & New Jersey with a part of New France' based on surveys by 'Capt. Montresor'; bef. 1775. 1:506880 approx. 'A scale 8 miles to an inch'. Scale bar of 40 miles (= 5 inches). Copy, by Fra...
R.U.S.I. MAPS. Vol. LXXVI (1-13). 57711 (1-4). Places in states North-East of New York. 1. 'Plan elevation and sections of a blockhouse intended to be built at Penobscot in the Bay of Fundy'; circa 1750. 1:480. 'Scale to the plan 40 feet to an inch'. Scale bar of 200 feet (= 5 inches). Inset...
R.U.S.I. MAPS. Vol. LXXIX (1-20). 57714 (1-15). Places en route from Pittsburgh to L. Erie. 1. 'Carte du cours de l'Ohio ou de la belle riviere'; aft. 1739. 1:1588000 approx. 'Echelle de [20] lieues communes de France' (= 56mm.). French. Amherst no. A 54. R.U.S.I. no. A 30.93. 425 x 660mm....