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100   $a20061025d2004      ua             0
101 0 $aeng
135   $aurmn|---|||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aAmerica's national parks$b[electronic resource] $einvesting to preserve their future
210  1$a[Washington, D.C.] :$cU.S. Dept. of the Interior, National Park Service,$d2004.
215   $a33 pages $cdigital, PDF file
300   $aTitle from title screen (viewed on July 19, 2006).
517   $aAmerica's national parks 
606   $aNational parks and reserves$zUnited States
606   $aNational parks and reserves$zUnited States$xManagement
606   $aNature conservation$xGovernment policy$zUnited States
615  0$aNational parks and reserves
615  0$aNational parks and reserves$xManagement.
615  0$aNature conservation$xGovernment policy
712 02$aUnited States.$bNational Park Service.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910695314703321
996   $aAmerica's national parks$92992999
997   $aUNINA