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Show included the Mississippi , 69 the Ohio , ( the"Alissouriand theAlissouriand ) the Columbia . . ( R . . 333 . ) There are very marked , differences between other rivers and the rivers involved in this ease . . The Snake and Salmon Rivers in the Northwest are the only two large rivers in the ( "West West West ) that he has made a study of . ( R . 334 . ) Ili making this ( com- com ) parison between other rivers and those involved in this case , lie did not use the Snake and Salmon Rivers , as lie did not consider them navigable rivers . . He has figures ( on o1i ) all the rivers of the ( eaifce witixe ) ( 'United United ) States and can produce the figures on the Snake Itiver , similar to that ( he lie ) ( lias has ) ( produced producecd ) on the other rivers . ( R . 335 . ) In stating that the Snake River was not a ( navi- navi ) gable river he had in mind that stretch of the rivar as far down as the ( Pittsburgh Pittsburall ) Bar , as ( he be ) knows the Snake River was navigable from its confluence with the ( Columbia Cohin-ibia Cohinibia ) River upstream as far as the bar . ( R . . 338 . . ) In taking his figures on the Columbia ( River Rhrer ) , lie took from the Snake River on down . He states that the Columbia River rises in Montana , aud that the Snake joins it in the State of Washington . . He knows that the headwaters of the Coliunbia River are in the high mountains . . ( R . . 339 . . ) In making up bis report he took the Green River from the ( Utah-Wyoming UtahWyoming Utah-Wyoiiiing UtahWyoiiiing ) State line , located at an elevation of about 5,840 . feet ( above sea level ) . . |