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Show , cessful because that would 57 have increased the ( draft -draft draft ) . One of the principal difficulties of the boats was with groundings on bars and riffles . A river , ( which -which which ) is so shallow in places that boats 12 to 24 , inches draft frequently ground , can not have ( prac prac- prac ) ¬ tical utility as a highway of commerce . Yokey ( M . R . 61 , 62 . Exception 14 ) tried the river with several different boats for pleasure , and hunting . He was on the river for ( twenty-five twentyfive ) years , and never was able to successfully locate channels nor was he able to avoid groundings on sand bars . His largest boat , ( The Vie ) Black Eagle , on its first trip blew a boiler tube due to the muddy water and the boat was abandoned . He was familiar with the rivers between Greenriver and Moab , and the lack of success of his boats was due to river ( troubles -troubles troubles ) . ( Appendix to brief p . 157 . ) Thomas G . Wimmer ( M . R . 66 , 68 , 69 , 70 , ( Excep Excep- Excep ) ¬ tion 17 ) , formerly a citizen of Greenriver , Utah , , experimented with boats upon the Green and the Colorado ( Grand ) Rivers . Mr . Wimmer asserted that he was always able to locate a channel in the river , and in this respect he differs from many of the . other witnesses . ( Wimmer NAlimmer ) took supplies down to his own ranch at times , and also took down hunting parties , prospectors , etc . Wimmer had trouble with ice , and frequently he ran into braided channels . When using an outboard motor he had it hinged so that when bottom was struck in the shallow water the motor could be raised and the boat released . Wimmer was content to let the other occupants of |
