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THOMPSON'S COAST PILOT. 105 A new Lighthouse is to be erected on Sister Island, St. Law- rence River. | i Sunken Rock light, fixed, visible 9 miles, on Bush or Sunken Rock Island, near Alexander Bay, in St. Lawrence River. Rock Island light, fixed, visible 9 miles, on ceact: or John- son's Idand: in St. Lawrence River. Tibbett's Point light, fixed, visible 14 miles, on the SE side of the entrance to St. Lawrence River. Galloo Island Light- house SSW 19 miles; Charity Shoal Day Beacon SWbyW, dis- tant 8 miles; Pigeon Island WS 10 miles. Galloo Island light, fixed, visible 14 miles, on the west point of Galloo Island. Shoal to the NW 1 mile. Horse Island light, fixed, visible 11 miles, on the west end of Horse Island, and 14 miles west of Sackett's Harbor. Stony Point light, revolving (interval of flash 2'), visible 11 miles, on Stony Point, and the leading mark for Sackett's Har- bor. Sackett's Harbor is situated on the SE side of Black River - Bay, and WbyN from Point Peninsula, 9 miles distant. The Lighthouse stands on a rock, called Horse Island, at the south- western point of Black River Bay, 13 miles west of the harbor. It shows a fixed bright light. To enter this harbor from the lake, run past Stony Point light, and follow the land along, keeping the starboard hand best aboard to clear a middle ground which lays off the south end of Stony Island, nearly mid-channel, haul up for Horse Island Lighthouse, pass it pretty close to, and run round the point and into the Bay of Sackett's. There is a good channel on either side of Greal Gal- loo, Litttle Galloo and Stony Island. Salmon River, or Port Ontario, 20 miles east of Oswego. Salmon River, or Port Ontario, is twenty miles NEbyE from Oswego, and north of Mexico Bay; has two good piers, with plenty of water. The Lighthouse is on the North Pier end, is 52 feet high, and shows a white light. The land both north and south of the harbor is very low, and cannot be seen at any great distance. Oswego light, fixed, visible 14 miles, near the end of the west pier, at the entrance to Oswego Harbor.