000 00496nam a2200145Ia 4500
005 20240911060729.0
008 191021s9999 xx 000 0 und d
020 _a0879096411
082 _a625.75
_bUNT
100 _aUntermann, Richard K.
245 0 _aPrinciples and practices of grading, drainage and road alignment :
_ban ecologic approach /
_cRichard K. Untermann
260 _aVirginia :
_bReston Publishing Company,
_c1978
504 _aIncludes references & index.
650 _aDrainage design
999 _c3682
_d3682