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5 CHANGES AND ADDITIONS. Il work beacon at the turn in the west approach to the canal, described in the above notice. The light is elevated 39 feet above the level of the river and should be visible up the river to Point aux Pins as well as into the canal. The back light of this range is a fixed white incandescent electric light elevated 61 feet above the river, and visible to the south shore in the line of range. It is shown from a wooden lantern surmount- ing a square open framed wooden tower, the whole painted white and 65 feet high, erected on the east extremity of Davignon Point, 2,100 feet NE. 4 E. from the front light. The two lights in one NE. 4 E. lead in from the American channel past Vidal Shoal, between the red and black buoys, to the turn at the front light. Change in Color of two of the Canal Bank Lights. --The electric are light maintained on the upper end of the north pier of the Canadian Canal at Sault Ste. Marie, and the similar light _ on the upper end of the south pier, will be changed in color from bright or white to red, so as to more conspicuously mark the extremities of the two piers at the western end of the Canal. The two lights to be changed in color are respectively the most westerly light of each of the two rows of arc lights illuminating the canal bank and _ cribwork approaches. - Alterations in Buoyage in Sault Ste. Marie Harbor. --The following alterations have been made in buoying that part of Sault! Ste. Marie harbor, under the control of the United States. <A red nun buoy moored on the southern edge of Bayfield rock has been re- moved. The black buoy abreast the crib light has been replaced by a black spar buoy. The red can buoy in the lower part of the harbor, near the upper end of Hay Lake channel, has been removed. The upper end of Hay Lake cut is marked by a black can buoy on the western side, and red nun buoy on the eastern side. | LAKE SUPERIOR. PORTAGE RIVER RANGE LIGHT-STATION. -- Established on each of the two structures recently erected on the south- erly prolongation of the axis of the dredged channel from Portage Lake into the head of Portage River, Keweenaw Peninsula. Front Light-- A fixed white lantern light shown 18 feet above mean lake level, sus- pended from a bracket on a mast in front of a small lamp house on a square crib, in about 6 feet of water, on the east bank of the channel. The mast carries an oval day mark of slats. | The entire structure, ex- cepting the crib, is white. Rear Light--Fixed white lantern light shown, 25 feet above mean lake level, suspended from a bracket on a mast in front of a small lamp house on the easterly bank of the river, 600 feet S. by E. 2 E. from the front light. _The mast carries an oval day mark of slats. The entire structure is white. MENDOTA LIGHT-STATION. --The fourth order light at this station at the entrance to Lac la Belle, Bete Grise Bay, south side of the outer end of Keweenaw Peninsula, Lake Superior, has been changed to show fixed white.