LEADER 02048nam 2200541I 450 001 9910703574603321 005 20150424122901.0 035 $a(CKB)5470000002431953 035 $a(OCoLC)907956510 035 $a(EXLCZ)995470000002431953 100 $a20150424d2013 ua 0 101 0 $aeng 135 $aurcn||||a|||| 181 $ctxt$2rdacontent 181 $csti$2rdacontent 181 $ccri$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aNet change in forest density, 1873-2001 $eusing historical maps to monitor long-term forest trends /$fGreg C. Liknes ; Mark D. Nelson ; and Daniel J. Kaisershot 210 1$aNewtown Square, PA :$cU.S. Forest Service,$d[2013] 215 $a1 online resource (ii unnumbered pages, 12 pages, 2 unnumbered pages) $cillustrations, color maps 225 1 $aResearch map NRS ;$v4 300 $aTitle from title screen (viewed April 24, 2015). 300 $a"Northern Research Station"--Page [14]. 300 $a"Manuscript received for publication May 2011"--Page [ii]. 300 $a"May 2013." 320 $aIncludes bibliographical references (page 12). 517 $aNet change in forest density, 1873-2001 606 $aForest monitoring$zUnited States$vMaps 606 $aForests and forestry$zUnited States$xForecasting 606 $aForests and forestry$zUnited States$vMaps 606 $aEcological mapping$zUnited States 608 $aMaps.$2lcgft 615 0$aForest monitoring 615 0$aForests and forestry$xForecasting. 615 0$aForests and forestry 615 0$aEcological mapping 700 $aLiknes$b Greg C.$01389450 702 $aNelson$b Mark D$c(Research forester), 702 $aKaisershot$b Daniel J. 712 02$aUnited States.$bForest Service, 712 02$aUnited States.$bForest Service.$bNorthern Research Station. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910703574603321 996 $aNet change in forest density, 1873-2001$93441011 997 $aUNINA