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010   $a9786610211913
010   $a0-309-59608-4
035   $a(CKB)111069351109026
035   $a(OCoLC)70772909
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100   $a20040925d1990      ma             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aHaze in the Grand Canyon $ean evaluation of the winter haze intensive tracer experiment /$fCommittee on Haze in National Parks and Wilderness Areas, Board on Environmental Studies and Toxicology, Board on Atmospheric Sciences and Climate, Commission on Geosciences, Environment, and Resources, National Research Council
210   $aWashington, D.C. $cNational Academy Press$d1990
215   $a1 online resource (x, 97 pages) $cillustrations
300   $aCommittee chairman: Robert A. Duce.
311 0 $a0-309-04341-7 
320   $aIncludes bibliographical references.
606   $aAir$xPollution$zArizona$zGrand Canyon National Park
607   $aGrand Canyon National Park (Ariz.)
615  0$aAir$xPollution
701   $aDuce$b Robert A.$f1935-$01485119
712 02$aNational Research Council (U.S.).$bCommittee on Haze in National Parks and Wilderness Areas.
712 02$aNational Research Council (U.S.).$bBoard on Environmental Studies and Toxicology.
712 02$aNational Research Council (U.S.).$bBoard on Atmospheric Sciences and Climate.
712 02$aNational Research Council (U.S.).$bCommission on Geosciences, Environment, and Resources.
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910780005303321
996   $aHaze in the Grand Canyon$93704088
997   $aUNINA