000 | 006040000a22001930004500 | ||
---|---|---|---|
008 | 151229t1985 xxu||||| |||| 00| 0 eng d | ||
041 | _aeng | ||
080 |
_a628.515 _bG5 |
||
942 | _cBK | ||
100 | _aGilliom, Robert | ||
100 | _aAlexander, Richard B. | ||
100 | _aSmith, Richard A. | ||
245 | _aPesticides in the nations rivers, 1975-1980, and implications for future monitoring | ||
260 |
_aAlexandria _bU.S. Geological Survey _c1985 |
||
300 | _a30 p., ill. | ||
440 | _aU.S. Geological Survey water-supply paper ; 2271 | ||
650 | _aWATER POLLUTION-PESTICIDE EFFECTS | ||
650 | _aRIVERS | ||
999 |
_c127243 _d127243 |