LEADER 01548nam  2200397   450 
001 9910716085803321
005 20210430144900.0
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100   $a20210430d2021      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aNutrient concentrations, loads, and yields in the Middle Iowa River Basin, Iowa /$fby Jessica D. Garrett and Stephen J. Kalkhoff
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2021.
215   $a1 online resource (vii, 22 pages) $ccolor illustrations, color map
225 1 $aScientific investigations report,$x2328-0328 ;$v2020-5148
300   $a"Prepared in cooperation with the Sac and Fox Tribe of the Mississippi in Iowa."
320   $aIncludes bibliographical references (pages 19-21).
606   $aNutrient pollution of water$zIowa$zIowa River
606   $aWater quality$zIowa$zIowa River
615  0$aNutrient pollution of water
615  0$aWater quality
700   $aGarrett$b Jessica D.$01389125
702   $aKalkhoff$b Stephen J.
712 02$aGeological Survey (U.S.),
712 02$aSac & Fox Tribe of the Mississippi in Iowa.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716085803321
996   $aNutrient concentrations, loads, and yields in the Middle Iowa River Basin, Iowa$93440275
997   $aUNINA