000 00253nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aU.S.Dept. of interier bureau of reclamation
245 _aDRAINAGE MANUAL
250 _a1
260 _c1978
_bOXFORD & IBH
999 _c17200
_d17200