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Show Green River belotvilfoitth 53 of San BqfaelBiver . ( In 1-ii 1ii ) this ( 95-mile 95mile 95-ndle 95ndle ) stretch of the river , the slope is ( 1.17 117 ) feet to the mile and there are no rapids or riffles ( Exhibit 80 , page 12 ; photographs 116 to 140 , Exhibit 77 ) . Colorado River Grand ( Junction Juvetion ) Colo . , to Castle ( Greek Creek ) . ( -In In ) this 941 ( ti-mile timile ) stretch , as shown by Exhibit 10 and Exhibit 80 , the river has an average slope of 5.8 feet to the mile Avithv21 stretches where the slope ( ex- ex ) ceeds ( 15 IL5 ) feet to the mile , which have been ( charac charac- charac ) terized as rapids . ( Castle Cast7e ) ( CreeJe Creek ) to ( lloal Hoab ) . ( -In In ) this ( 14-mile 14mile 14-nfile 14nfile ) stretch , but more especially the upper ( 12-mile 12mile ) stretch ( be- be ) tween Castle Creek and Nigger Bill Creek , rapids are numerous . The average slope is considerably greater than the slope ( below beloNv ) Moab and in at least three places ( See Exhibit 10 , sheets 19 to 21 , and Exhibit 80 , pages 10 , 11 ) the rate of fall per mile exceeds 10 feet . ( Photographs 170 , 171 , Exhibit 77 . ) Moab to ( month moath ) of Green . ( -In In ) this ( 65-mile 65mile ) stretch there is only one place where the channel has been contracted sufficiently to cause an increase in the . velocity comparable with a ( rapid Tapid ) , and this occurs at ( "The The ) ( Slide" Slide ) located on the Colorado 1.8 miles above the ( month mouth ) of Green ( Eiver River ) . This slide has ( "been been been ) described by various witnesses ( and and- and ) the ( de- de ) scriptions ( conform conforin ) to that contained in Exhibit 751 page 70 , and ( mapped rnapped ) in Exhibit 76 ; also in Exhibit 491 , and State Exhibit 490 . |