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035   $a(OCoLC)1236214111
035   $a(EXLCZ)995470000002509925
100   $a20210205d2021      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSummary of available data from the monarch overwintering colonies in Central Mexico, 1976-1991 /$fby Erin R. Zylstra [and three others] ; prepared in cooperation with the U.S. Fish and Wildlife Service
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2021.
215   $a1 online resource (iii, 10 pages) $ccolor illustrations
225 1 $aOpen-file report ;$v2020-1150
320   $aIncludes bibliographical references (page 10).
606   $aMonarch butterfly$zMexico
606   $aButterflies$xMonitoring$zMexico
606   $aButterflies$xMigration$zMexico
615  0$aMonarch butterfly
615  0$aButterflies$xMonitoring
615  0$aButterflies$xMigration
700   $aZylstra$b Erin R.$01417114
712 02$aGeological Survey (U.S.),
712 02$aU.S. Fish and Wildlife Service.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910715210303321
996   $aSummary of available data from the monarch overwintering colonies in Central Mexico, 1976-1991$93524497
997   $aUNINA