Andrew Adamson wrote at 2013-02-16 22:07:23
Dear Sir. May I say how much I enjoyed reading this forum. If I may I would like to draw your attention to the following manuscript document, drawn by Joseph Bouchette in 1794:
You will find it at the website of Heritage Charts (www.heriategcharts.com), under the tab: 'Great Lakes & Lake Champlain'