01501oam 2200409 a 450 991069698880332120230902161910.0(CKB)5470000002383000(OCoLC)441408428(EXLCZ)99547000000238300020090929d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierHomeland security[electronic resource] actions needed to improve security practices at national icons and parks : report to the Chairman, Committee on Homeland Security, House of Representatives[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]1 online resource (ii, 47 pages) illustrationsTitle from PDF title screen (GAO, viewed Sept. 29, 2009)."August 2009."Includes bibliographical references."GAO-09-983."Homeland security National parks and reservesSecurity measuresUnited StatesMonumentsSecurity measuresUnited StatesNational parks and reservesSecurity measuresMonumentsSecurity measuresUnited States.Congress.House.Committee on Homeland Security.DIDDIDDIDGPOBOOK9910696988803321Homeland Security1686681UNINA