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Show 76 -- 72-- formed by sediment carried by the San Rafael into the channel of the Green River, and maintains itself against the various floods that come down, and in all probability is one of the most shifting bars that we have in the river." R. 169. There was a very marked difference between the bar as it was on March 8, 1038 and when he surveyed it, ( October 6, 1928). From the appearances it is a con-stantly shifting bar. R. 169. This completes the 21st of bars and riffles as such, and is now at a point about 94 miles above the mouth of the Green River, or 21 miles below the town of Greenriver, Utah. The last riffle is about one mile above where the line between Township 23 South and 24 South crosses the river. R170 From the mouth of the San Rafael he went down the Green River to its south in a light row boat owned by the government, and which had been shipped overland from Salt Lake City to Greenriver, Utah. R. 2, pp. 175. By previous arrangement with the Moab Garage Company that company shipped overland from Road to Greenriver a large motor boat for us to use on the river below the mouth of the San Rafael. This boat was 24 1/ 2 feet long, 6 foot bean at the stern, 2 1/ 2 feet deep, equipped with a Chandler six cylinder motor and 9 fixed propeller. Its draft was 2 1/ 2 feet without the propeller " striking the bottom; it required 2 1/ 2 feet before the propeller struck the bottom. The plan we had outlined was if, after examining the river between Greenriver and the mouth of |