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34 THOMPSON'S COAST PILOT. THE OLD COURSES USUALLY RUN BY VESSELS ON LAKE HURON. | ia Run out of St Clair River NNE 2} miles ; thence NbyW 75 miles, to Point aux Barques. This shore ¢an be run along at a dis- tance of 1 to 12 miles, to abreast the Lighthouse, in 33 fathoms.. The bottom is hard close in as you approach the Lighthouse. From Point' aux Barques Lighthouse 2 miles, bearing WbyS, you will have three fathoms water, hard, with boulders and spots of mud. From Point aux Barques, with the light bearing Whby8, distant 3 miles, steer NNW 75 miles, to Thunder Bay Island Lighthouse. In case, of heavy westerly winds, vessels' generally haul well up, in crossing Saginaw Bay, under the high lands of Sauble, which can be ap- proached within 2 miles with safety all along shore. From Thunder Bay to Presqu'ile NWbyN 30 miles; from Presqu'ile to the entrance of the Straits of Michilimackinae NWbyW2W 50 miles; thence west to abreast of Sheboygan light; thence aia. eh 16 miles, to old Fort Mackinaw. GEORGIAN BAY AND THE CANADA SIDE oF LAKE : HURON. | ee From Fort Gratiot' Lighthouse to caicepiaticane C. W., N E3E 25 miles; and note that a reef sets off this point in a spades westerly direction 2 miles, with 6 to 8 feet of water on it, rock, Sauble River is in the ee of the Be to the northward - this, reef, From Fort Gratiot Hane pee to Goderich, c W., 'NEbyN 62 miles. , From Fort Gratiot to Cove Island NbyE 1638 miles. From Fort Gratiot to Pine Brook, C. W., NbyE3E 76 miles. From Fort Gratiot to Cape Hurd, C. W., NbyHiE 155 miles. From Fort Gratiot to Horse Shoe or Lucas Island va 171 miles. From Point aux re U.S., to Goderich, C. W., BbyS3s 54 miles.