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Show Page ) ( characteristics of the ( rivers-Continuedty rivers Continued ) The physical characteristics of the Green , Cgl o and San Juan Rivers , etc . ( -Contin Contin ) U - Characteristics of the rive ( rs-Contin rsContin ) ucdf ( Hapids Rapids ) , riffles , and ( cataracts-Con- cataractsCon ) , , - ( tinned Untied ) * ( t-0 t0 ) '71 . - * , . ' Colorado River -------------- * Y ! J63 " . '- ? . . San Juan River --------------- l VC57 ( 'Velocity Velocity "Velocity Velocity ) 8 . Green River , near ( Greenrivcr Grcenriver ) , Utalu Colorado River , near Cisco * Colorado River at Lees Ferry 62 San Juan River , near Bluff . . ( ---- ) 65 ' , Variation of How * * * ( - ) Rapidity of change ( iu iii ) ( flow--- flow ) _ , - ? , . Variation in depth , ? 7,4 ; Silt and sediment 841 ? _ _ * , _ Unstable channel , t - - Green River * Colorado River -100 . ? _ San Juan River , ? ? ? ? ? ? ( VII VIL ) Ancieui & . , and early iPliQ Colorado River above Lees Ferry , ( Ariz Afiz ) . ; ( tlib" tlib ) , Green River and the San Juan River have no ( history 'history history ) of early navigation ( 1L1 1LI ) ? ? ? _ . . - . Indians and cliff dwellers - ? . ( It4 11.4 ) Early history _ ? ? . - . Expedition of Padre Francisco ( Escalante Escalantc ) and the Old Spanish Trail . _ _ . _ The fur traders in Utah ( ------ ) ( r f ) . _ Expedition of John C . ( Fremont Frcmoiit ) Expedition of W . L . Manly The Mormons Early War Department expeditions Stantoii survey , ( 1889-1890 18S9-1890 18S91890 ) ------------------- 131 Small boats and rafts ( on oil ) the Grand ( Colorado ) River The Powell expeditions ( 1869,1871 ) The Best expedition ( 1891 ) The steamer ( "The The ) Major ( Powell" Powell ) ( 1891 ) Placer mining on the San Juan River prior to 1896 . . - Placer miners in Glen Canyon prior to 1896 ( Edwards' Edwards ) ( dredge dredge- dredge ) . : ( Overland Ovcrlaiid ) transportation used 14 0 |