000 00373nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aHem, J.D
245 _aStudy and interpretation of the chemical characteristics of natural water
260 _aWashington
_c1970
300 _a1-269 p.
440 _aUnited States Geological Surv
901 _a124290
942 _cB
_2udc
999 _c10896
_d10896