LEADER 01947oam  2200553   450 
001 9910713733303321
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035   $a(EXLCZ)995470000002504353
100   $a20170503d1998      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aNitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96 /$fby A.H. Chen
210  1$aLincoln, Nebraska :$cU.S. Geological Survey,$d1998.
215   $a1 online resource (11 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v98-4106
300   $a"Prepared in cooperation with the Nemaha Natural Resources District."
320   $aIncludes bibliographical references (pages 11).
606   $aGroundwater$xPollution$zNebraska
606   $aNitrates
606   $aWater$xNitrogen content
606   $aGroundwater$xPollution$2fast
606   $aNitrates$2fast
606   $aWater$xNitrogen content$2fast
607   $aNebraska$2fast
615  0$aGroundwater$xPollution
615  0$aNitrates.
615  0$aWater$xNitrogen content.
615  7$aGroundwater$xPollution.
615  7$aNitrates.
615  7$aWater$xNitrogen content.
700   $aChen$b Abraham H.$01381041
712 02$aGeological Survey (U.S.),
712 02$aNemaha Natural Resources District.
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910713733303321
996   $aNitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96$93487023
997   $aUNINA