LEADER 01896nam 2200457 450 001 9910713992903321 005 20200924133447.0 035 $a(CKB)5470000002505729 035 $a(OCoLC)1197636637 035 $a(EXLCZ)995470000002505729 100 $a20200924d2014 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aThresholds for protecting Pacific Northwest ecosystems from atmospheric deposition of nitrogen $estate of knowledge report /$fTonnie Cummings [and seven others] 210 1$aFort Collins, Colorado :$cU.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science,$d2014. 215 $a1 online resource (vii, 45 pages) $ccolor illustrations, color maps 225 1 $aNatural resource report ;$vNPS/PWRO/NRR--2014/823 300 $a"NPS 963/125045, July 2014"--Page ii. 300 $a"Experience your America"--Page 4 of cover. 320 $aIncludes bibliographical references (pages 34-41). 517 $aThresholds for protecting Pacific Northwest ecosystems from atmospheric deposition of nitrogen 606 $aNational parks and reserves$zNorthwest, Pacific 606 $aAtmospheric deposition$zNorthwest, Pacific 606 $aAcidification 606 $aAtmospherics 607 $aNorthwest, Pacific 615 0$aNational parks and reserves 615 0$aAtmospheric deposition 615 0$aAcidification. 615 0$aAtmospherics. 700 $aCummings$b Tonnie$01390650 712 02$aUnited States.$bNational Park Service.$bNatural Resource Stewardship and Science, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910713992903321 996 $aThresholds for protecting Pacific Northwest ecosystems from atmospheric deposition of nitrogen$93493934 997 $aUNINA