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01177aam a2200289 a 4500 001 1879DD96F83611E784964A6B97128E48 003 SILO 005 20180113013733 008 820311s1980 dcua f000 0 eng d 035 $a (OCoLC)8258652 040 $a GPO $c GPO $d MvI-ran $d MvI-ran $d MvI-ran $d MvI $d UtOrBLW $d SILO 074 $a 216-A-7 086 0 $a FEM 1.8:M 38 088 $a TR-68 245 00 $a Mass thickness manual for walls, floors, and roofs. 264 1 $a [Washington, D.C.?] : $b Federal Emergency Management Agency, $c 1980. 300 $a iii, 47 pages : $b illustrations ; $c 28 cm 500 $a Cover title. 500 $a "Sept. 1980." 500 $a "Supersedes TR-68 dated May 1979, which may be used." 650 0 $a Nuclear bomb shelters $x Design and construction. 650 0 $a Nuclear bomb shelters $x Standards. 650 0 $a Civil defense $z United States. $0 http://id.loc.gov/authorities/subjects/sh85139930 710 1 $a United States. $b Federal Emergency Management Agency. $0 http://id.loc.gov/authorities/names/n78090715 941 $a 1 952 $l OVUX522 $d 20180116064348.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=1879DD96F83611E784964A6B97128E48Initiate Another SILO Locator Search