A PLAN of the CITY, and FORTIFICATIONS, of LOUISBURG; from a Survey made by RICHARD GRIDLEY Lieut. Coll. of the Train of Artillery in 1745 [on plate with] A PLAN of the CITY and HARBOUR of LOUISBURG, with the French Batteries that defended it, and those of the English, shewing that part of GABARUS BAY, in which the Landed, and the Ground on which they Encamped during the Siege in 1758

Maps of the city and fort of Louisburg from 1745 and the Harbour of Louisburg with inset of Gabarus Bay during the 1758 siege by the British. The maps show British battle positions, details of the French fortifications and information on the outcome. Having such a detailed plan of the Fortress was no doubt of great use to the British as Louisbourg fell to them for the final time in 1758.Map features including fortified walls, bridges, buildings, naval fleets, light house, docks, hills, fields and marshes are depicted pictorially. Water soundings are noted for the Harbour of Louisburg and Bay Gabarus Bay. Map scale for the Fort is in Feet and the Harbour (as well as the inset) is in English Miles