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Show 83 -- 79-- a bar we would push off. " Q Well, did you encounter sandbars? " A Sandbars continuously through that strip. Crossing bars - what I have described as crossing bars; they can be called crossing bars or shoals, where the depth runs from one inch to half a foot." R. 181- 185. That generally is the condition- a gentle, slow moving stream. " Probably the velocity is two or three miles an hour, just sufficient so that if you try to row upstream you might make a mile an hour upstream; you can make upstream progress with effort by rowing; you might make a mile or two miles an hour upstream by rowing, as I had opportunity to judge where we would have to drift down past the bar and then try to row back to the bar." R. 185. The channel is in no sense a permanent channel, except here and there, where it may " abut against the rock wall, and occasionally, or nearly always, in going around a a curve the cuter edge of the flood channel where the water was would abut against the rocky slope, or the rock wall, and then in another sense that would be permanent; I mean that would be a fixed, permanent place. " Q The far greater percentage of the mileages is shifting? " A A far greater percentage of the mileage is against the earth banks, the bars really, and the benches which have been formed there, and are now changing, filling in by floods and washing out. |