Scientific confirmations of Old Testament history . ponding rise of the Osage,since it lies wholly outside the glaciated region, and hadno ice over its basin to be melted, and thus augmentits volume. On proceeding to work out the problem of the be-havior of this vast body of water poured into the mid-dle Missouri, it was first observed that it all had to passthrough a narrow place in the trough at Hermon,twenty-five miles below the mouth of the Osage. Herethe width of the trough between the rocky precipices,three hundred feet high on either side, is barely twomiles. Mathematical calculations w
Scientific confirmations of Old Testament history . ponding rise of the Osage,since it lies wholly outside the glaciated region, and hadno ice over its basin to be melted, and thus augmentits volume. On proceeding to work out the problem of the be-havior of this vast body of water poured into the mid-dle Missouri, it was first observed that it all had to passthrough a narrow place in the trough at Hermon,twenty-five miles below the mouth of the Osage. Herethe width of the trough between the rocky precipices,three hundred feet high on either side, is barely twomiles. Mathematical calculations will show that itwould require ninety-six days for a current two mileswide and two hundred feet deep, flowing three miles anhour, to carry off five hundred cubic miles of as the supply of water would be in gradually in-creasing amount up to a little past mid-summer, andthen as gradually decreasing, the average depth wouldbe only half that, with a short period of extreme would therefore require one hundred and ninety-two ^ ^—4J. %, &*>*ga*0L v^:. c. 7. m i&bitikH M The Deluge in North America. 341 days to reduce the level to normal conditions, leavingscarcely any flow during the winter months. In order to secure this moderate rate of three milesan hour, we must suppose, however, that the gradientof the stream was then considerably less than that ofthe Missouri at the present time. But this suppositionis most reasonable, in view of well-known facts. For,as already shown, there is abundant evidence that,toward the close of the Glacial epoch, there was adepression of land over nearly all the glaciated area, andthat this depression increased toward the north. AtMontreal we know the land was six hundred feet lowerat the close of the Glacial epoch than it is now. Thereis corresponding evidence of such a northerly depressionaround the Great Lakes and in Manitoba and NorthernMinnesota. That this included, in diminishing degree,the whole glaciated area down to the
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