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Show ( Acavy heavy ) a ( sand stind ) wave ( as CIS ) one 682 would sec ( on Oil ) ( the 010 ) ( San S4A ) Juan or as lie has seen ( on oil ) the lower river , below the . , Grand Canyon . ( R . 2590 . ) There was a four or , , ( five-foot fivefoot ) rise of the river that night . One of the party had his bed completely surrounded by water where he slept ( on oil ) the bank . There was a ( consider consider- consider ) ¬ able rise ( on oil ) that occasion . Noticed that in wading , the rapid the next morning there was a ( more inore ) broken . ( condition couffitiou ) of the water than with the ordinary silt content . That is the only thing ( he lie ) recalls ( approach approach- approach ) ¬ ( ing iug ) a sand wave on that trip . ( R . 2590-2591 . ) He has seen sand waves ( 011 on ) the river at ( other other- other ) places , the largest being below Grand Wash , near , the conclusion of the Grand Canyon voyage in 1923 ; ( were ivere ) ( navigating uavigating ) very carefully , even with these ( specially-constructed speciallyconstructed ) boats they used through the . Grand Canyon . Down there the heighth of the sand waves roughly might have been three or four feet . He has not seen them higher than that . Neither has he seen ( them theni ) actually breaking . ( R . . 2591 . ) The way they break , forward or ( backward back-ward backward ) , . would vary a great deal according to the silt ( con- con ) tent , also the wind , both would affect it , and a boat ( being behig ) propelled through them would have the ( ef- ef ) fect of making the waves break over the bow . The , ( weight -weight weight ) of the sand makes them dangerous . ( R . 2591-2592 . ) He has no recollection of seeing the sand ( waves -waves waves ) ( on oil ) any other rivers . First heard the ( term telmi ) ( "sand sand ) ( wave" wave -wave'l wavel ) used in ( con- con ) nection with the ( Colorado-probably Coloradoprobably ) from ( one oine ) ( of' of ) |