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100   $a20210813d2020      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aExternal quality assurance project report for the National Atmospheric Deposition Program's National Trends Network and Mercury Deposition Network, 2017-18 /$fby Gregory A. Wetherbee and RoseAnn Martin
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2020.
215   $a1 online resource (vii, 31 pages) $ccolor illustrations
225 1 $aScientific investigations report,$x2328-0328 ;$v2020-5084
320   $aIncludes bibliographical references (pages 29-31).
606   $aQuality assurance$zUnited States
606   $aWater$xSampling$zUnited States
615  0$aQuality assurance
615  0$aWater$xSampling
700   $aWetherbee$b Gregory A.$01387571
702   $aMartin$b RoseAnn
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716759203321
996   $aExternal quality assurance project report for the National Atmospheric Deposition Program's National Trends Network and Mercury Deposition Network, 2017-18$93474633
997   $aUNINA