Collection search - Lake Huron, Cove Island to Great Duck Island and entrance to Georgian Bay [cartographic material] / surveyed by Mr. W.J. Stewart, assisted by Messrs. F. Anderson, J.F. Fraser and R.E. Tyrwhitt, 1898-9, east of Michael Bay surveyed by Staff Commander J.G. Boulton, R.N., and Mr. W.J. Stewart, 1884-99

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