00834cam a2200217 i 4500020001700000022001300017082001800030100005200048110004500100245007100145260009000216300002800306500002100334526003700355650003800392650001200430650004800442942001200490999001900502952009500521  a0390030137 :  a0547557000a624.2bBRIcD  aTransportation research board washington9214112 aNational Research Council (U.S.).92001710aBridge drainage systems.cTransportation research board washington  aWashington, D.C. :bTransportation Research Board, National Research Council,c[1979]  a44 p. :bill. ;c28 cm.  a"December 1979."  a0b0c0d624_200000000000000_BRI 0aBridgesxDrainage systems.921412 0aD96527 0aElevated highwaysxDrainage systems.921413  2ddccBK  c547124d547124  00102ddc4070aMCEbMCEd2014-07-02l0o624.2 BRIpMCE-42526r2014-07-02w2014-07-02yBK