LEADER 01509nam 2200397 450 001 9910715210303321 005 20210407152720.0 035 $a(CKB)5470000002509925 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