Explication d'un Esquis des Côtes depuis Oswego jusques a la Baye de Frontenac, et les environs des Isle qui Sont en l'embouchure de la Riviere St Laurent N.B. toutes ses observations demandent une plus exactes connoisances

Amherst, Jeffery Amherst, Baron, 1717-1797

Haldimand, Frederick. Sir, 1718-1791,

Royal United Services Institute for Defence and Security Studies

[1778]

[producer not identified]

Scale approximately 1:380,160

French

British Library

British Library Collection

• Ontario, Lake (N.Y. and Ont.)--Maps, Manuscript--Early works to 1800

• North and Central America
• Ontario, Lake

1 map : manuscript pen and ink with watercolour ; 29 x 47 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).

• Capt. Wyllamos's Sketch of Lake Ontario - alternative title given in ink on map verso.
• Shows the eastern end of Lake Ontario from Oswego to the mouth of the Saint Lawrence River.
• Includes an extensive lettered and numbered key (in French) to the left of the map.
• Key refers to General Haldimand camped on an island - suggesting a date of production of about 1778 (previous British Library cataloguing suggests a date of about 1760)?
• Shows scale bar at lower right, "Echelle de 12 Miles".
• Copy at Add Ms 57,708.1. Bound in R.U.S.I. Vol LXXIII. Shows manuscript addition of "1" in pencil at upper right. Shows "A 13" in pencil at lower right. Laid on archival tissue. Green circular label to verso showing "22". White label to verso showing "DRAWER 30 SECTION 2". Blue label to verso showing "A 30/99" and repeated in pencil. Annotation in ink (alternative title) Capt. Wyllamos's Sketch of Lake Ontario". Evidence of old folds. Paper watermark shows a shield with a diagonal strip, surmounted by a fleur de lys, with "LCG" beneath.