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Show ( hour '11011r 11011r ) ( and 1,11d 111d ) ( forty-five fortyfive ) ( minutes irlinutes ) 393 to go ( upstream upstroauiia ) , , ( dis- dis ) , ( tance tauce ) of half a mile ; ( and alid ) ( again agaiii ) at milepost191A ; ( cil- cil ) countered a very high stream velocity , so had . a hard time ; it was especially so because of the fact that they were forced in ( against agaiiist ) the cliff , ( and aild ) had to go back downstream and fight up the stream again ; no chance of ( towing towiiig ) or operating in any way , ( al-' al ) though had two poles on the boat which were twenty feet long . ( R . 1354 . ) Both the Colorado and Green Rivers were full of flow ice the whole time during the trip and the waters were too cold to get overboard and push [ the boats when they got stuck ] . ( R . 1354 . ) On the Green River he followed the geology and everything clear up to milepost 34 , and the points designated are those at which they found trouble . ( R . 1354 . ) He has given the full number of points , every point at which they encountered sand bars . A stop ( was -Nvas Nvas ) made at milepost 34 ( because beeause ) it was estimated they had just enough gasoline to go down to the confluence of the rivers and up to ( "lower lower ) camp . " He did not stop there because they could not go any farther ; as a matter of fact , got out and ( walked Nyalked ) even ( beyond bevolid ) that ( point poilit ) to save gas . He walked to the mouth of Upheaval Canyon from that point . The purpose of this expedition was to study the ( geology geoloo-v geoloov ) , the thickness of the sediment , the ( for for- for ) ( mation ination ) which came to the surface and see whether , they had ( any aily ) geological structures along the river such as they had ( encountered eneountered ) before , the four known |