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SCOTT'S NEW COAST PILOT. THROUGHOUT THIS WORK ALL COURSES AND BEARINGS HAVE BEEN CORRECTED FOR MAGNETIC VARIATION. THE DISTANCES ARE EXPRESSED IN STATUTE MILES. _ ST. LAWRENCE RIVER. West or Mam Channel into Ogdensburg River. Sailing Directions.--A straight course may be steered from buoy to buoy, on either side. The red buoys should be kept well aboard, as the current sets directly across the channel at the rate of about 144 miles per hour. The outer edge of the shoal on lower side of channel lies parallel with the shore (N. E. % E.) for one-half mile, from the Ogdensburg Shoal buoy, and then curves in to the outer end of the Central Vermont Railway and Steamer wharves, at the lower end of the city, which are built out to - deep water. Between these wharves and to the mouth of the Oswegatchie river and lying close to the shore, is a 7 to 9 foot natural channel, 300 yards wide at the entrance, and narrowing to 75 yards near the river mouth. Through this channel a "cut" has been made, 150 feet wide and 12 feet deep, in a straight line S. W. % S. from the outer end of the Central Vermont wharves to the upper end of Parish's lumber wharf, and thence along the -- ends of the wharves, to the harbor, in the mouth of the river. A bridge, crossing the river 435 yards above the inner buoy, is the terminus of the harbor. Bottom of harbor and channel, soft; shoals, stony or rocky. The current of Oswegatchie river is about 1 mile per hour. Ogdensburg Shoal, Outer Buoy, No. 1.--Black spar buoy, in 30 feet of water, lower side of entrance to channel, and marks the upper end and outer edge of the shoal on that side. The buoy stands in deep water, 40 yards from the curved corner of the shoal. Ogdensburg light-house, S. % E., 600 yards. West Entrance--A Red gas buoy, No. 2.--Showing a fixed white light of ten seconds duration, followed by an eclipse of ten seconds. Upper side of entrance to channel, and marks the outer point of the shoal on that side. North end of Steam Elevator, E. N. E. 3% E. Ogdensburg light-house, S. by E. 5% E., 1,410 feet. Ogdensburg Shoal Buoy, N. 3 W., 390 feet. Light-house Buoy, No. 4.--Red spar buoy in 12 feet of water, in the channel, close to the steep, west bank, and nearly opposite the light-house. A straight course may be made from this buoy to the lower corner of the R.. W. & O. R. R. wharf, on the west side of the river. Ogdensburg light- house, northeast corner of tower, S. W. by W. East Bank buoy, E. % N., 200 feet : | OGDENSBURG LIGHT-STATION.--A fixed white light, 4th order, visible 1514 miles. White, square tower; 60 feet high, with dwelling attached, lantern black. On a low rocky point, 200 feet above the channel, 3 e [21]