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100   $a20161210d1957      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDischarge characteristics of broad-crested weirs /$fby H.J. Tracy
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1957.
215   $a1 online resource (15 pages) $cillustrations
225 1 $aGeological Survey Circular ;$v397
320   $aIncludes bibliographical references (page 15).
606   $aWeirs
606   $aWeirs$2fast
615  0$aWeirs.
615  7$aWeirs.
700   $aTracy$b H. J$g(Hubert Jerome),$f1918-$01386010
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bCOP
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801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711362803321
996   $aDischarge characteristics of broad-crested weirs$93487540
997   $aUNINA