000 00312nam a2200121Ia 4500
008 160710s1970 xx 000 0 und d
082 _a628.11 WAL
100 _aWALTON,WILLIAM C.
245 _aGROUNDWATER RESOURCE EVALUATION
260 _bMCGRAW HILL BOOK COMPANY LTD.
_c1970
300 _a664
942 _2ddc
_cB
999 _c34798
_d34798