01916oam 2200541 450 991070624030332120180413100037.0(CKB)5470000002456035(OCoLC)1006911810(OCoLC)995470000002456035(EXLCZ)99547000000245603520171020d2017 ua 0engurmn|||||||||rdacontentrdamediardacarrierEfforts by DHS to estimate southwest border security between ports of entry /Office of Immigration Statistics[Washington, D.C.] :U.S. Department of Homeland Security,2017.1 online resource (19 pages) color illustrations"September 2017."Includes bibliographical references.Efforts by Department of Homeland Security to estimate southwest border security between ports of entryBorder securityMexican-American Border RegionBorder securitySouthwestern StatesBorder crossingMexican-American Border RegionBorder crossingSouthwestern StatesBorder crossingfastBorder securityfastNorth AmericaMexican-American Border RegionfastUnited StatesSouthwestern StatesfastOnline resources.Border securityBorder securityBorder crossingBorder crossingBorder crossing.Border security.United States.Office of Immigration Statistics,GPOGPOMERUCOCLCFGPOBOOK9910706240303321Efforts by DHS to estimate southwest border security between ports of entry3257221UNINA