Recherche dans la collection - Plan of Lake Champlain from Fort St John to Ticonderoga including part of Lake George, the particular surveys and plans of the principal anchoring places, together with the rocks, shoals, sands and soundings, as taken in the years 1779, 1780, 1781 and 1782 [cartographic material] / by Captain William Chambers of His Majestys Royal Navy, Commanding the Naval Armament employed on the said Lake