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01623aam a2200349 a 4500 001 8A4F3AF8650A11E6BA021E8ADAD10320 003 SILO 005 20160818010336 007 he?bmb???bbca 008 950306s1994 iaua b s000 0 eng d 035 $a (OCoLC)32095927 040 $a IWA $c IWA $d SILO 043 $a n-us-ia 086 $a 17 T772HD 2:A298 1994 $2 iadocs 100 1 $a Huber, Robert G. 245 10 $a Air formed arch culvert construction Washington County $h [microform] / $c by Robert G. Huber, Mark Callahan, and Shane Tymkowicz. 260 $a [Ames, Iowa : $b Office of Materials, Highway Division, Iowa Dept. of Transportation], $c 1994. 300 $a 29 p. : $b ill. ; $c 28 cm. 500 $a "February 1994." 500 $a Final Report. 500 $a Sponsored by the Iowa Highway Research Board, HR-13. 520 $a Details the construction of an air formed arch culvert to determine the applicability of the air-o-form technique as a county bridge replacement alternative. 533 $a Microfiche. $b Des Moines, Iowa : $c Distributed by Iowa Depository Library Center, State Library of Iowa, $c Distributed by Iowa Depository Library Center, State Library of Iowa, $d 1994. $e 1 microfiche : negative. 650 0 $a Culverts $z Iowa $x Design and construction. 650 0 $a Culverts $z Iowa $x Testing. 700 1 $a Callahan, Mark. 700 1 $a Tymkowicz, Shane 710 1 $a Iowa. $b Highway Research Board 710 1 $a Iowa. $b Office of Materials. $b Office of Materials. 941 $a 1 952 $l USUX851 $d 20160818040958.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=8A4F3AF8650A11E6BA021E8ADAD10320Initiate Another SILO Locator Search