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56 THOMPSON'S COAST PILOT. extreme end, 18 in the centre, and 5 and 6 on the inner part, and is 14 miles long. The water through this strait is deep. Good holding ground between Point Sauble' and Old Fort Mackinaw, pretty close in, from 7 to 8 fathoms, clay; also on wae island side, north of Duncan City. There is a good wood dock (Wendel's) between Old Fort Mackinaw and McGulpin's Point. oe MACKINAW HARBOR. To come to the docks, run until they bear nearly east and west, or are ranged, and haul alongside. 'lo come to an anchor, run in for the docks toward the centre one, until you drop into 5 fathoms, and let go. 'The anchoring ground drops off quickly from 10 to 6 fathoms. The reef off the west point can be plainly seen in day- light, and does not extend over 4 of a mile. = * LIGHTHOUSES AND HARBORS ON THE CANADA SIDE OF LAKE HURON AND GEORGIAN BAY. : Goderich, (C. W.,) light, fixed, visible 12 mites. This harbor has two piers, with 10 to 12 feet water over the bar. The Light- house stands on the cliff or hill, and the two range lights on the north pier. To run in, range the lights and run up along the pier, and into | the harbor. Point Clark light, revolving, visible 12 miles, stands on Point Clark or Pinebrook, about 22 miles north of Goderich. , a The reef off this point sets out about 3 miles, with iL feet of water on the middle of it. Chantry Island light, fixed, visible 10 miles, stands on the SW end of the island, near the entrance to Saugeen River, which has 6 to 7 feet water over the bar, and is about 34 miles north of Point Clark, Cove Island light, fixed, oie 11 miles, on the north point of Cove Island, middle entrance to Georgian Bay.