01757oam 2200469 a 450 991070326180332120111213154716.0(CKB)3460000000105615(OCoLC)754228403(EXLCZ)99346000000010561520110923d2011 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierBorder security[electronic resource] moving beyond the virtual fence : hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Eleventh Congress, second session, April 20, 2010Washington :U.S. G.P.O.,2011.1 online resource (iii, 106 pages) illustrationsS. hrg. ;111-1051Title from title screen (viewed on Sept. 23, 2011).Includes bibliographical references.Border security Border securityMexican-American Border RegionNoncitizensGovernment policyUnited StatesIllegal immigrationGovernment policyUnited StatesFencesMexican-American Border RegionDesign and constructionIllegal immigrationUnited StatesBoundariesMexicoMexicoBoundariesUnited StatesBorder securityNoncitizensGovernment policyIllegal immigrationGovernment policyFencesDesign and construction.Illegal immigration.GPOGPOGPOBOOK9910703261803321Border security3423087UNINA