Pesticides in selected Western streams--a progress report.
D003634:DDT / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D006540:Herbicides / Q000032:analysis; D006846:Hydrocarbons, Halogenated / Q000032:analysis; D007306:Insecticides / Q000032:analysis; D010575:Pesticides / Q000032:analysis*; D014481:United States; D014867:Water / Q000032:analysis*; D014876:Water Pollution / Q000032:analysis*
D006540:Herbicides; D006846:Hydrocarbons, Halogenated; D007306:Insecticides; D010575:Pesticides; D014867:Water; D003634:DDT; D004026:Dieldrin