Chlorinated hydrocarbon pesticides in major river basins, 1957-65.
D003634:DDT; D003632:Dichlorodiphenyldichloroethane; D004026:Dieldrin; D010575:Pesticides; D014481:United States; D014876:Water Pollution
D010575:Pesticides; D003634:DDT; D004026:Dieldrin; D003632:Dichlorodiphenyldichloroethane