Recherche dans la collection - A Plan of Lake Erie Detroit River part of Lake St. Clair, and River LaTranche, from Actual Surveys made in the years 1789, 1790 & 1791. That part of Lake St. Clair and all River St. Clair coloured yellow is copied from Capt. Henry Ford's coasting survey; the inland parts coloured yellow are inserted from Indian and other sketches; the uncoloured part from Long Point to Fort Erie Copied from old French Surveys by Patrick McNiff, asst. engineer Detroit. May 1791. [cartographic material]

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