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58 THOMPSON'S COAST PILOT. and a very little dredging and other improvements would make it a good place to load. FROM DUNCAN DOCK TO DETOUR LIGHTHOUSE, THIRTY-FOUR MILES, AS FOLLOWS: From the dock north 13 miles; thence N EE 32% miles, to a point 1 mile east of Detour iat cine. Carp River Mills, Carp River, 10 miles north of the NW end of Mackinaw Island. Vessels load to anchor in 2 fathoms water. A harbor can be made inthe neighborhood of this river in any kind of weather; Grosse Isle St. Martin, Isle St. Martin, and Point St. Martin, forming a good shelter from southerly and easterly winds. To make a harbor, run round Grosse Isle St. Martin, leaving it to the eastward, and come to, with the island bearing south, in from 4% to 6 fathoms water, mud bottom. Torun up to Carp River Mills, after passing the Graham Shoals, and the range of Rabbit's Back Point with Point St. Ignace, $a mile, haul up due north, leaving Grosse Point to port ? of a mile, and Grosse Isle St. Martin 14 miles to starboard. You will carry 5 fathoms water until you are 1 mile north of the island; and as you. approach the river, haul gradually to port until you are abreast of the first. low point south of the river, and come to in 2 fathoms water, mud bot- tom. Hast Moran Bay has good holding ground in 3 fathoms water, sandy clay. West Moran Bay has good holding ground in 24 to 3 fathoms water, red clay. SAILING DIRECTIONS FOR LAKE HURON, ACCORDING TO THE LAST SURVEYS. To enter Saginaw Bay from the southward, run out of St. Clair River, NNE 23 miles; thence NbyW 60 miles, to abreast ot Sandy Beach; when follow the coast around at the distance of two miles, till Point aux Barques and the reef projecting from it is passed, and the mill at Port, Austin bears due south. From thence to pass to the northward of Charity Islands, steer