000 00364nam a2200145Ia 4500
005 20250919112647.0
100 _aHughes, Robert M
245 0 _aRegional reference sites: A method for assessing stream potentials
260 _aWashington
260 _bU. S. E P A
260 _c1986
300 _a6p.
650 _aPollution Control - Water, U S A
942 _cBK
999 _c38071
_d38071