01355oam 2200397 450 991071701770332120220401145304.0(CKB)5470000002528032(OCoLC)1290851696(EXLCZ)99547000000252803220220105d2019 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierGuide to mail center security[Washington, D.C.] :United States Postal Inspection Service,2019.1 online resource (30 pages) illustrations (chiefly color)Publication ;166"October 2019"--Back cover."PSN 7690-05-000-4890"--Back cover.Who protects your mail?Office mail proceduresUnited StatesSafety measuresHandbooks, manuals, etcPostal serviceUnited StatesSafety measuresHandbooks, manuals, etcHandbooks and manuals.lcgftOffice mail proceduresSafety measuresPostal serviceSafety measuresUnited States.Postal Inspection Service,GPOGPOGPOBOOK9910717017703321Guide to mail center security3258411UNINA