LEADER 01550oam  2200457   450 
001 9910715321603321
005 20210305113255.0
035   $a(CKB)5470000002510821
035   $a(OCoLC)1086487393$z(OCoLC)974647226$z(OCoLC)1084208596
035   $a(OCoLC)995470000002510821
035   $a(EXLCZ)995470000002510821
100   $a20190220d1991      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aExternal quality-assurance results for the National Atmospheric Deposition Program/National Trends Network during 1989 /$fby Timothy C. Willoughby [and three others]
210  1$aDenver, Colorado :$cU.S. Geological Survey,$d1991.
215   $a1 online resource (iv, 26 pages) $cillustrations, map
225 1 $aWater resources investigations report ;$v91-4039
320   $aIncludes bibliographical references (page 26).
606   $aAcid deposition$zUnited States
606   $aAcid deposition$2fast
607   $aUnited States$2fast
615  0$aAcid deposition
615  7$aAcid deposition.
700   $aWilloughby$b Timothy C.$01396388
712 02$aGeological Survey (U.S.),
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCO
801  2$bCOP
801  2$bOCLCF
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910715321603321
996   $aExternal quality-assurance results for the National Atmospheric Deposition Program$93536099
997   $aUNINA