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126 GEORGIAN BAY, Red Rock light-house; there is also another rock with 14 feet over it B mile from the same on the same bearing. Parry Sound. Snug Harbor (Front) Range Light--A fixed red light, visible 7 miles. White, square, wood tower. Light 39 feet above lake level. On the westernmost point of Walton island. Rear Light.--A fixed white light, visible 13 miles. White, square, wood tower, with red stripe on channel side, rising from roof of rectangular dwelling. On the southern extremity of island on north side of entrance to Snug harbor and 3,100 feet E. N. E. 34 E. from front light. These lights in range lead in south of Seguin bank, marked by Seguin Bank gas buoy, through the main channel to the intersection with the Jones island range. Jones Island Range (Front) Light--On the summit of the northern- most Gordon rock, and is the front of a pair of leading lights to be known as the Jones island range. The light is a fixed red catoptric light, ele- vated 40 feet above the level of the bay, and should be visible 7 miles. over an arc of 180 degrees between the bearings of S. E. by E. &% E., round through S. to N. W. by W. % W.. The tower is a square, pyramidal, wooden building, surmounted by a wooden lantern. It is 38 feet high from the ground to the vane on the lantern, and is painted white. Rear Light--On the southwest point of Jones island, distant 2,900 yards S. E. 4% S. (S. 48° 11' E. true) from Gordon Rock light. The light is a fixed white light, elevated 63 feet above the level of the bay, and should be visible 8 miles in and over a small arc on each side of the line of range. ' The building is of wood, and consists of a square, pyramidal tower, rising from the roof of a rectangular dwelling house. and sur- mounted by a wooden lantern. It is 50 feet in height from the ground to the vane on the lantern, and is painted white with a red stripe 3 feet: wide down the middle of the side facing the channel. : These two lights in one lead in S. E. % S. from the intersection with the Snug Harbor range lights to Gordon rock, clear of Ariel rock, Half reef, Telegram rock, and Hooper island reef, on the starboard hand: and clear of Black rock and Twin rock, on the port hand. Hooper Island Shoal Gas Buoy.--Red conical buoy, showing a fixed white light, with "Hooper island Shoal" in white on the sides, surmounted by a pyramidal latticework supporting the lantern. Moored in 18 feet of water on the axis of the Jones island range lights and off the 15-foot patch: northerly of Hooper island. In entering, vessels should leave the Jones. island range line when up with this buoy, then steer for the Spruce island gas buoy, passing it about 200 feet on the port hand. Southerly point of Pancake island, E. N. E. % E., 4,000 feet. Spruce Island Shoal Gas Buoy.--Black conical buoy, showing a fixed white light, with "Spruce island shoal" in white on the sides, surmounted by a pyramidal latticework supporting a red lantern. Moored in 24 feet of water on the southerly extremity of the shoal extending southerly from Spruce island, and about 2,400 feet S. W. 34 S. from the southerly extremity of the island. From this buoy the course should be to pass Carling rock light-house at least 600 feet on the starboard hand, McClelland rock beacon S. W. by W., 1,300 feet. The channel between this buoy and a rock with 14 feet of water over it, 800 feet N. 60° E. from McClelland rock beacon, is 650 feet wide. . = CARLING ROCK LIGHT-STATION.--A fixed white light, 7th order, visible 7 miles. White, square, pyramidal tower with red stripe on west side. Light, 26 feet above lake level. On the northerly part of the summit of Carling rock. ; ; :