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Show How the Mississippi Ti'aj Sadc. Asa possible theory of the origin of the Mississippi Itiver, among the many that have at different times been brought forward by noted scientists, the most reccut is Uie suggestion that its erosiou was accomplished ac-complished by means of 11 mighty cataract, which began far down the .river, near its original niuuUi, and by gradual retrogressing dug out tho valley-like gorge. That this theory is tenable may be inferred from the high, wall like bluffs-feat bluffs-feat urea so characteristic In the upper up-per lart of Its course. A wearing an ay of a monster cataract would, of coure, necessarily leave high bluO" walls on cither side, which are well known features of "the father of meandering streams." It would seem according to thi? theory that St. Anthony Falls constitute the remnaBtof what was once tbemel stupendous cataract in tho world. It Is estimated that it mutt have taken 400,000 years to carve out the mighty ditch. St. lovit JlcpubUc. |
