. Niagara : its history and geology, incidents and poetry . can side is ten feet higherthan it is on the Canadian. The continuous column ofwater, however, is longer in the centre of the Horse-ShoeFall because of the fallen rock and debris lying at thefoot of the other portions of the Falls. Keeping thesefacts in mind, we shall properly understand the statementgenerally made, that the American is ten feet higher thanthe Canadian Fall. CHAPTER Vni. GEOLOGY. Recession above present position—Falls will be higher asthey recede—Reason Why—Possible new feature—Presentand former accumulations of Rock—
. Niagara : its history and geology, incidents and poetry . can side is ten feet higherthan it is on the Canadian. The continuous column ofwater, however, is longer in the centre of the Horse-ShoeFall because of the fallen rock and debris lying at thefoot of the other portions of the Falls. Keeping thesefacts in mind, we shall properly understand the statementgenerally made, that the American is ten feet higher thanthe Canadian Fall. CHAPTER Vni. GEOLOGY. Recession above present position—Falls will be higher asthey recede—Reason Why—Possible new feature—Presentand former accumulations of Rock—How removed—Ter-rific power of the elements—Ice and ice bridges. THERE is probably little foundation for the appre-hension which has been expressed that the reces-sion of the chasm will ultimately reach Lake Erie andlower its level, or that the bed of the river will be worninto an inclined plane by gradual detrition, thus changingthe perpendicular Fall into a tumultuous rapid. And forthese reasons, namely : First, that the contour or periph-. ^ V ?^ ^^*, -.^fniagaraitshistor00holluoft
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