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01534aam a2200325 a 4500 001 5FE0A8045EC211E686B77DB1DAD10320 003 SILO 005 20160810010341 007 he-bmb---bbca 008 890809r19891989iaua b s00010 eng d 035 $a (OCoLC)20147970 040 $a IWA $c IWA $d SILO 043 $a n-us-ia 086 $a 17 T772HD 2:A298 $2 iadocs 100 10 $a Huber, Robert G. 245 10 $a Air formed arch culvert construction, Washington County $h [microform] / $c by Robert G. Huber and Mark Callahan. 260 $a [Ames, Iowa] : $b Iowa Dept. of Transportation, Highway Division, $c 1989. 300 $a 28 p. : $b ill. 500 $a "Construction report, Iowa Highway Research Board, project HR313." 500 $a "February 1989." 500 $a "This research project was sponsored by Washington County and the Iowa Department of Transportation through the Iowa Highway Research Board." 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 1989. $e 1 microfiche : negative. 650 0 $a Culverts $z Washington County. $z Washington County. 650 0 $a Bridges $z Washington County $z Washington County $x Maintenance and repair. 700 10 $a Callahan, Mark. 710 10 $a Iowa. $b Highway Research Board 710 10 $a Iowa. $b Highway Division. 941 $a 1 952 $l USUX851 $d 20160810081535.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=5FE0A8045EC211E686B77DB1DAD10320Initiate Another SILO Locator Search