[Map showing Fort Pitt, Fort Duquesne and Fort Mercer]

Amherst, Jeffery Amherst, Baron, 1717-1797

Royal United Services Institute for Defence and Security Studies

[ca. 1761]

[Producer not identified]

Scale approximately 1:4,800

English

British Library

British Library Collection

• Fortification--Pennsylvania--Fort Pitt--Maps, Manuscript--Early works to 1800
• Military art and science--Pennsylvania--Fort Pitt--Maps, Manuscript--Early works to 1800
• Fort Pitt (Pa.)--Maps, Manuscript--Early works to 1800

• Allegheny (county)
• North and Central America
• Pennsylvania
• Pittsburg
• United States

1 map : manuscript pen and ink with watercolour ; 35 x 27 cm

• No known copyright restrictions.
• This work is licensed for use under a Creative Commons Attribution Non-Commercial Share Alike License (CC BY-NC-SA).

• Date suggested as Fort Pitt is shown with a solid line (sugegsting its completion?) whilst Forts Du Quesne and Mercer are shown with dotted lines.
• Relief is shon by shading.
• North is oriented to the left of the map and is indicated by a decorative compass arrow.
• Names "ALLEGHENY OR OHIO RIVER" and "MONONGEHELA RIVER".
• Shows stone quarries, a lime house and a coal pitt within the wider environs. "
• Shows scale bar at lower right, "Scale 400 FEET to one Inch".
• Copy at Add Ms 57,714.13. Bound in R.U.S.I. Vol LXXIX. Shows manuscript addition of "13" in pencil at upper right. Shows "A 15" in pencil at lower right and "A 30/63" at upper left. Laid on archival tissue. Green circular label to verso shows "40". White label to verso shows "DRAWER 30 SECTION 1". Blue label to verso shows "A 30/63". Paper watermark shows a horn within a shield with "LVG" beneath.