000 00341nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a551.49
100 _aGibson,U.P.
245 _aSmall wells manual.
260 _aWashington DC
_bHealth Service
_c1969
300 _a156
650 _aHydrology
653 _aHydrology
942 _2ddc
_cBK
999 _c8311
_d8311