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48 THOMPSON'S COAST PILOT. west to abreast of Sheboygan light; thence NWbyW2W 16 miles to old Fort Mackinaw. : GEORGIAN BAY AND THE CANADA SIDE OF LAKE HURON. From Fort Gratiot Lighthouse to Cape Ipperwash, Ontario, NESE 25 miles; and note that a reef sets off this point in a northwesterly direction 2 miles, with 6 to 8 feet water on it, rock. Sauble River is in the bight of the bay to the northward of this reef. From Fort Gratiot Lighthouse to Goderich, Ontario, NEby N 62 miles. | From Fort Gratiot to Cove Island NbyE 163 miles. . From Fort Gratiot to Pine Brook, Ontario, N baie 76 miles. 3 From Fort Gratiot to Cape cae Ontario, NbyEHE 155 miles. From Fort Gratiot to Horse Shoe or Lucas iolead N#E 171 miles, From Point aux Barques, U.S., to Goderich, Ontario, EbyS 48 54 miles. From Thunder Bay Island re U.%., to the Chantry Islands, Ontario, ESE 95 miles. __ The Saugeen River is a little to the northward of these Islands, and has from 6 to 7 feet of water over the bar. The- . coast from this up to Cape Hurd is very rocky, and should not be approached without a pilot in less than 7 fathoms water. From Thunder Bay Island Lighthouse, U.S., to Cape Hurd, Ontario, EbyN 78 miles. , | From Goderich, Ontario, to the Detour Lighthouse, U. S., NWéEN 141 miles, to abreast of Presqu'ile; thence NWbyN 47 miles. FROM GODERICH, ONTARIO, TO MACKINAW.. From Goderich to Presqwile NW2N 185 miles, to Sead of Presqwile, bearing west, 8 miles off; thence NWbyWitw °