000			00553nam a2200193Ia 4500
005			20250220125632.0
008			250220s9999||||xx |||||||||||||| ||und||
020			_a0879096411 _c _19.50
040			_aMAIN
041			_aEnglish
082			_a628.1 _bUNT
100			_aUntermann, Richard K.
245			_aPrinciples and pratices of grading, Drainage and road alignment _ban ecologic approach
260			_aVirginia _bReston publishing _c1978
300			_ax,297p.
650			_aDrainage engineering
650			_aSanitation engineering
942			_cBK
999			_c36521 _d36521