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- DETROIT RIVER. 65 Pelee Spit to Bar Point.--When 14 miles south of light, steer W. by N. ?.N., 344 miles, to a point 4+ mile N. by E. from Detroit River light, and in range with it and Bois Biane light, -- passing 1 mile north of Colchester Reef light, and + mile south of | Bar Point red buoy. | | See courses which reverse from Erie to Pelee Spit. Dunkirk to Pelee Spit. Ashtabula to Pelee Spit. Fairport to Pelee Spit. Cleveland to Pelee Spit. Black River to Pelee Spit. Entrance to Maumee Bay to Pelee Spit. Amherstburg to Detroit River Light.--When abreast of Bois Blanc light in mid-river, steer S. by W. 2 W., 14 miles, until in range with Detroit River and Bois Blanc lights, when steer for Detroit River light S. by W. nearly 5 miles. DETROIT RIVER. Light Houses and Buoys Standing up the Main or East Channel. The least water in this channel is at Lime-kiln crossing, 16 feet. Southwest gales of any duration lower the water in Detroit river from 1 to 3 feet, and northeast gales raise it about as much. Cur- rent from 1 to 2} miles per hour. Until the Lime-kilns have been crossed, this channel is in Canadian water. To enter the river. When 1} milesS. by W. from Bois Blanc light, and in range with Detroit River light, steer N. by E. 3 E. into the river. : 3 BOIS BLANC, OR AMHERSTBURG LIGHT-STA- TION.--A fixed white light, visible 14 miles. White, circular stone tower, 40 feet high, light 56 feet above lake level. Onlower end of Bois Blanc island. . Bois Blane. Range (front).--A fixed white light. White, Square, open-frame 'tower, light 26 feet above lake level. On _ northeast point of island. Bois Blanc Range (rear).--A fixed red light. White, square, open-frame tower, partly hidden by trees, light 38 feet 5