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Show 0 54 The Colorado carries more sediment which may account for presence of more crossing bars . Report prepared by ( Mm him ) Compl . ( Exli Exh ) . No . 80r W . ( 0 0- ) . Hoyt , entitled ( "Rapids Rapids ) , Rapid Water , and Quiet Water , " is a compilation of all the ( represen represen- represen ) ¬ tations of all the rivers as shown by the published profile maps of the Geological Survey . ( R . 235- 240 . ) The rapids were numbered by the ( topog- topog ) raphers and they have been carried through by various writers . ( R . 238 . ) Freeman in his book uses the same numbers . The number is not shown on the printed report of the Survey , because they show nothing but the plan , profile , and contours . The location of the rapids on the map is shown by a blue symbol . The map indicates the location of Rapids No . 1 , with respect to miles above Lees Ferry . It shows its length , its fall in feet , and there was 25 ft . of fall to the mile at that particular place . This is shown by means of computation from the maps . ( R . 239 . ) In paragraph A , Compl . Exh . 80 , he defines rapids , rapid water , and quiet water . ( R . 241 . ) He has used the ( word -Nvord Nvord ) ( "head" head ) in the report in the same way you speak of head of a dam , it is the difference in elevation above and below the ( riffles Tiffles ) . A ( "head" head ) of 3 ft . in a distance of 1,000 ft . means the ( profiles proffles ) or surveys show there was an actual fall of S feet in a distance of 1,000 feet . In the study of river flows where for instance a , , , rise of two feet is indicated on the gauge , that ( will wiU ) |