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Show 3285 Dobbin- D 1310 automobile almost to the junction of the rivers. BY MR. BLACKMAR: Q Now, taking up first that section of the country which lies towards the Colorado river from the road which runs from Greenriver to Moab, I mean the wagon road, when were you in there, and how much of that country did you cover? A During the summer of 1926 I had under my supervision four field parties, two working coal north of the railroad track and two working oil, and in the course of visiting those parties and supervising their work I was over, either by boat or by horseback, a greater part of that pie- shaped area south of the railroad and between the Green and Colorado rivers. I believe that is the area you refer to. Q Just tell me, please, the character of that country from a geological standpoint. A That pie- shaped area between the Green and Colorado rivers is occupied mostly by a horizontal strata consisting of solid standstones, some of which are four of five hundred feet in thickness, below which occur shales, some limestones, and other rock, with the result that in an arid region such as you have there, where erosion is quick and rapid, when water flows it flows torrentially, and the cutting is straight down, not like you would have in a region, say in Wisconsin or Michigan or some place where |
