Note 144 — Chapter IV

"From the sea to Montreal, this superb river is called the St. Lawrence; from thence to Kingston, in Upper Canada, the Cataraqui or Iroquois; between Lakes Ontario and Erie, the Niagara; between Lakes Erie and St. Clair, the Detroit; between Lakes St. Clair and Huron, the St. Clair; and between Lakes Huron and Superior, the distance is called the Narrows, or Falls of St. Mary. The St. Lawrence discharges to the ocean annually about 4,277,880 millions of tons of fresh water, of which 2,112,120 millions of tons may be reckoned melted snow; the quantity discharged before the thaw comes on, being 4512 millions of tons per day for 240 days, and the quantity after the thaw begins, being 25,560 millions per day for 125 days, the depths and velocity when in and out of flood being duly considered: hence a ton of water being nearly equal to 55 cubic yards of pure snow, the St. Lawrence frees a country of more than 2000 miles square, covered to the depth of three feet. The embouchure of this first-class stream is that part of the Gulf of St. Lawrence where the island of Anticosti divides the mouth of the river into two branches. According to Mr. M'Taggart, a shrewd and humorous writer, the solid contents in cubic feet of the St. Lawrence, embracing Lakes Superior, Huron, Michigan, Erie, and Ontario, is estimated at 1,547,792,360,000 cubic feet, and the superficial area being 72,930 square miles, the water therein would form a cubic column of nearly 22 miles on each side!"—Montgomery Martin's History of Canada.