OCR Text |
Show 415 its lowest stage they were plumb up on dry land with the cache, and had to move away and go on the other side somewhere, or below or above, and start over again. " I have noticed that along there in several different places in the fall of the year." R. 1058- 1059 The beavers do not build their dams across the river because there is sufficient water in the river and it is not necessary for them to back it up. In selecting a cache for their winter food supply the beaver select deep water and the water in the Green and Grand rivers is deep enough for that purpose. Trouble with ice flow was not encountered on the Green River in December of 1927. Ordinarily the Green River does not freeze over entirely in the winter time except in places where the river is shaded by ledges, nor does the Colorado River freeze entirely except under the same conditions. R. 1059- 1061 " Q. These cuttings of the river that you spoke of, where the beaver dams were left high and dry, would those changes in the river occur suddenly? " A. I hardly think so, not so very. Possibly a period of two or three days. " THE SPECIAL MASTERS: You couldn't tell unless you saw it occurring? " A. I don't know - I have seen two or three inches |