000 00334nam a22001217a 4500
041 _aENG
100 _aUntermann.R.K
245 _aPrinciples And Practices Of Grading,Drainage And Road Alignment An Ecolgic Approach
260 _aVirginia
_bReston Pub Company
_c1978
300 _a297
650 _aSWCE ( 06 )
856 _uSWCE ( 06 )
999 _c2925
_d2925