| Show Geologists fear End I of Falls of Niagara Geologists say any that tho recent fall of or rock ut lit Niagara l falls foils was only au an I Incident In natures nature's program for tor the complete destruction of the tho falls unless un nn- less lesl something Is dono done to preserve I them About tons tona of rock fell feU fellon fellon on 00 January 17 1011 and such falls have been observed by geologists II since 18 1842 The water from Lake Inke Erie that tumbles over Niagara Is singularly free from grit and gravel I so ao there Is ta nothing to wear away the tho bed of the stream When the force I with which the water falls fall undermines undermines under I mines the softer sotter rock under the hard dolomite the substructure gives way I and the rock under the water crashes Erosion has been wearing the falls back at an average of a little wore more than three feet teet n a years year If It that rate 1 continues tho the 10 16 miles of falls and I rapids between the present Up lip of ot the cataract and tho the lake will wear I j jwill away by tho the year and there thero I will be bo nothing but a swiftly moving river En Engineers suggest a system of ot I submerged deflecting weirs by which I there would be an Increase In the thin volume of water on the American Amerl Ameri i II can un side and a greater fall that would cover some of ot the exposed surface I on tho the Canadian side 1 |
