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Scientific American, Vol. 53, No. 25 (December 1885) (1885)
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of a Hence " the Sault" is ship canal around the the only obstruction to Falls iof St. Mary's in such navigation as the said State." depth will admit of be- It must not be sup- tween the two lakes. posedthatearlier efforts Prior to 1845, the fur had not been made trade constituted almost toward the… … Fig. a.-ST. MARY'S FALLS CANAL.-VIEW OF THE MOVABLE DAM,. CI-OSED. © 1885 SCIENTIFIC AMERICAN, INCPatented · Canal · Munn · Feet · Solution · Scientific American · Contained · Guard gates · Water Supply · Mercuric chloride · Tractive power · Ship railway · Steam pump · Address munn · American supplement · Tracing rod
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