000 00322cas a22001091 4500
082 _a625.8
_bNAT
_cD
245 0 0 _aHighway research board
_bpavement condition surveys
260 _aWashington, D.C. :
_bNational Research Council, Highway Research Board,
_cc1957.
300 _av,61 p.
_bills
_c28 cm.
650 0 _aMCE
942 _cBK
999 _c7958
_d7958