000 00394nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aLohman, S,W. and Others
245 _aDefinitions of selected ground-water terms- revisions and conceptual refinements
260 _aWashington
_c1972
300 _a1-21 p.
440 _aUnited States Geological Surv
901 _a124349
942 _cB
_2udc
999 _c10952
_d10952