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Please read BHL's Acknowledgment of Harmful Content
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  1. By: National Agricultural Pesticide Impact Assessment Program (U.S.) - United States. Department of Agriculture. Economics and Statistics Service. - United States. Environmental Protection Agency. Office of Pesticide Programs. Benefits and Field Studies Division.
    Publication info: Washington, D.C, The Service, [1981]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library