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Show 158 channel conditions of the Green River, including the mouth of the Saleratus Wash. Q A plane table survey is a survey that is common use and is accurate the same as any other method? A Practically all of the surveys made by the Geological Survey are made with the plane table. Of course, the scales vary, but the plane table is recognized by the Survey as being a reasonably accurate instrument for making maps. Q Did you have any trouble getting your boats over that bar? A The boat was taken down through the riffle by the boatman while we walked on shore. he had no special trouble getting down there, being an expert boatman and going down the ordinary way, backwards, holding on the oars. Q Well, he went down light? A He went down fairly light; yes, sir. Q Now, was there a former survey made of that bar in 1909? A In 1909, the Army Engineer Corps made a map of that bar, which has been reduced and sketched on here ( indicating exhibit), for the purpose of showing the general conditions as they were then and as they are now. Q Will you be kind enough to indicate the differences that occurred in the river in that period of time? A The principal difference at this particular bar, 2119 |