Shows the locations of Forts Du Quesne, Pitt and Mercer in present-day Pittsburgh, Pennsylvania.
Amherst, Jeffery Amherst, Baron, 1717-1797
Royal United Services Institute for Defence and Security Studies
[Producer not identified]
Scale approximately 1:4,800
British Library Collection
1 map : manuscript pen and ink with watercolour ; 35 x 27 cm
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