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-- THOMPSON'S COAST PILOT. » with Citron Island), and run up, keeping the low point under the Lighthouse bluff pretty close to; when up to it, take the middle of the river. The starboard or east shore can be run in a straight line with it in 23 fathoms, if necessary; but as you approach the foot of the Island, haul off to port for the middle of the river;"when up to head of Bois Blane Island, keep it best aboard to clear the flat which sets off Fort Malden, where there is ared buoy; after passing the buoy, steer for the lime kilns on the Canada shore, to clear a flat rock with 5 feet water on it, a little below the lime kilns and SE from Stony Island. There is generally a buoy at the north and south end of this shoal. When abreast the lime kilns, run the shore along pretty close to until nearly up to the rock which lies off 875 feet from the shore, and, directly opposite the gate of McDougall's fence, and the Jar ge brick building; thence run across the river, steer- ing NNW until you range Mamajuda Lighthouse with Grassy Island Lighthouse; then haul up for Mamajuda, keeping on the ~ range until well up to it; pass it close to and run for Grassy Island Lighthouse, and as you approach it, give it a berth of 200 yards, or just clear the piled work of the Fishery; thence due north until nearly up to the head of Fighting Islartd, where the White-fishing shanties are; thence take the middle of the river, or haul over to the Canada shore, and run up in the eddy, close in, crossing Sandwich Bay from point to point, and up to Hog Island. There is a middle ground about 4 a mile long, just below the freight depot on the Detroit side, with 7 feet water on it; good channel inside, close to the docks.' When up to the head of Hog Island, haul off to port about NE for Windmill Point Lighthouse; and as you approach Peach Island, keep a little more to port to clear the shoal which sets down from it; when past it, haul up again for the Lighthouse; give it a berth, and when well up to it, run out ENE 2 or 8 miles into Lake St. Clair. The depth of water in the channel all the way up is from 33 to 5 and 6 fathoms water. The shoal off the foot of Hog Island runs down to abreast the Hospital, about ¢ a mile, 6 to 8 feet water on it. The east or Canada channel is deep, 22 to 89 feet water. To enter the channel at the south