00422nam a22001097a 4500082001700000100003600017245015000053260004700203300001700250526003700267650000800304  a625.734bCED  aUS Department of Transportation  aDevelopment of guidelines for the design of subsurface drainage systems for highway pavement structural sectionscUS Department of Transportation  aUSAbUS Department of Transportationc1973  aviii, 193.p:  a0b0c0d625_734000000000000_CED  aMCE