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_ DETROIT RIVER. | ' 91 to the upper single pile, visible on the north shore, clears the east side of - this shoal, above the buoy. : a: Sandwich Point.--A red barrel buoy in 14 feet of. water. Marks the position of the piles driven in the river to protect the feeding pipe at the Government Fish Hatchery at Sandwich. The buoy is about 125 feet from shore, opposite the hatchery. The piles are in 11 feet of water, and inside the channel bank. a | The Detroit River, between Fighting island and Belle Isle, is free from obstructions. Belle Isle divides the river into two channels, 'The main channel is on the Canadian side. A shoal extends from the lower end of Belle Isle about seven-eighths of a mile, and is marked with aspar buoy. The main channel is free from obstructions until the east end of Belle Isle is reached, which can be passed close-to, then starboard and get on the line of the Windmill Point range lights, heading about N. E. for 12 miles, or to within about one-third mile of the shore. This course leads between the shoals extending from the head of Belle Isle and the foot of Isle aux Péches, the ends of which are marked by spar buoys. Then haul up the river, keeping the north shore best on board, and when abreast of Windmill Point light and about one-third the dis- tance across the river, steer E. N. E., heading between Grosse Pointe beacon and the black spar buoy 2% miles, passing abont 500 feet to the northward of the beacon, steer about N. E. 2 E. 18 miles, passing mid- way between the light-ship and black spar buoy; when haul up N. E. for the entrance to the St. Clair Flats canal 134 miles. In the American Channel, between Belle Isle and the main- land an iron bridge spans the river from the Boulevard to a point on the island about 1,000 feet from its southwest point, the draw is near the main shore. 'The signal to open the draw is three blasts of the whistle. 'The passage ways are 125 feet wide on each side of the pivot pier. Above the bridge there is a shoal--Scorr's Mippiz Grounp--extending in a northeast and southwest direction 12 miles, which is marked on its northern and western sides by three red spar buoys, and vessels should not attempt to pass between the shoal and Belle Isle. In using the Am- erican channel, leave the buoy on the southwest end of Belle Isle on the starboard hand; keeping nearer to the north shore, pass through the draw of the bridge, and to the northward of the buoys on Scott's Middle _ ground, and when the middle buoy, which is opposite the Hamtramck House, and near the middle of the shoal, is reached, steer for' Windmill Point light, with a large elm tree directly over the stern until up to the north point of Belle Isle, when steer KE. 48., with the north point of Isle _ aux Péches open on the starboard bow, until the range of Windmill Point and Belle Isle lights are reached. ) Belle Isle.--Red and black horizontal stripes, spar buoy in 13 feet of water. Marks the end of the shoal off the foot of Belle Isle. There are 3 fathoms of water close to the buoy. Walker's mill (Canada), S. S. KE. 800 yards. BELLE ISLE LIGHT-STATION,.--A fixed red light, 4th order, visible 122 miles. Red, square tower, 364 feet high, with dwell- ing attached, both of red brick. On the southeast point, head of Belle Isle, Detroit river. Marks the head of Belle Isle, and the channel be- tween it and the foot of Isle aux Péches. Windmill Point light, N. E. ¢ EK. 2 miles.