Caption:
'Plan elevation section and profile of ye Royal Blockhouse' [Fort Edward]. 1759. R.U.S.I. MAPS. Vol. LXXVI (1-13). 57711 (1-4). Places in states North-East of New York. 18th century. 1759. 1:240. 'Scale of 20 feet to an inch'. Scale bar of 80 feet (= 4 inches). 555 x 430mm. Source: Add. 57711.9 Amherst no. A 60. R.U.S.I. no. A 28.65.