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The Seven Years War (1756-63)

Manuscript and printed maps and views, correspondence and journals from the first global war


Map of Monongahela River, 1755 (Pennsylvania, USA)


Pencil, pen, black and brown ink and watercolour on paper, laid down on linen | Scale: 1:10,800 | RCIN 731064.b

A map of the field of battle and the position of the British and French troops near the Monongahela River, 1755. French and Indian War (1754-63). Oriented with north to top. 

The topographical base map is essentially the same as RCIN 731064.a. The positions of the troops are altered to show their locations during the engagement.

  • Patrick Mackellar (1717-78) (cartographer) [bottom right of title panel:] Pat Mackellar Engr.


    Army-USA-American Colonial forces
  • Watermark: Coat of arms in crowned double circle, "HONI SOIT QUI MAL Y PENSE" within outer and inner circle; countermark: the crowned monogram GR

    Mark, stamped: 777

    Condition: two fold lines; untidily trimmed; slight foxing and induced discolouration on both sides; laid down on linen

  • Scale: 1:10,800. Distances computed Scale 300 y.ds to an Inch.

    18.2 x 35.5 cm (neatline)

    28.5 x 36.1 cm (image and sheet)

  • Manuscript title:

    N.o 2 / A Sketch of the Field of Battle &.c shewing the Disposition of the Troops about 2’ a Clock when the whole of the main Body had joined the advanced and / Working Partys, then beat back from the Ground they occupied as in Plan N.o 1. [Across top of map, in rectangular panel]

    Additional text:

    [top, below title, in title box:] Explanation [followed by:] N. B. The Disposition on both sides, continued about two hours nearly as here represented, the British endeavouring to recover the Guns (f) / and to gain the Hill (s) to no purpose. It was proposed to take possession of this Hill before the Indians did, but unhappily / it was neglected. The British were at length beat from the Guns (l). The General was wounded soon after. They were lastly / beat back across the Hollow-way (r) and made no farther Stand. All the Artillery, Ammunition, Provision & Baggage / were left in the Enemys Hands, and the General was with difficulty carryed off. The whole Action continued about three hours and / a half. the Retreat was full of Confusion, but after a few Miles, there was a Body got to rally.


    George III heading [lacks number] Battle near Pittsburgh 9 July 1755.

    Other annotations: (Recto) none. (Verso) [bottom left, black pencil, twentieth-century hand?]: XI/64B; [bottom left, ink, crossed out in red pencil, obscured by white paper strip:] Monongahela; [top right, black pencil:] 9 July 1755; [bottom right, red pencil:] 12/61; [bottom right, black pencil, indistinct:] XV/17-b; [centre, ink, obscured by linen:] Plan N 2 / in Gov Shirley's of / the 5th Nov 1755.

    George III catalogue entry:

    Pittsburgh A drawn Plan of the field of Battle of the of July upon the Monongahela 7 miles from Fort du Quesne (since called Pittsburgh) between the British Troops commanded by General Braddock, and the French and French Troops commanded by M. de S.t Pierre, shewing the Disposition of the Troops when the action began: by P. Mackellar Eng.r Another drawn Plan of D.o shewing the Disposition of the Troops about 2 o’clock: by D.o.

  • Subject(s)

    Pennsylvania, USA

Page revisions

  • 5 June 2024