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  1. Poisonous metals on sprayed fruits and vegetables /
    By: Lynch, W. D.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1922.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  2. Poisonous metals on sprayed fruits and vegetables.
    By: Lynch, W. D. - Haywood, J. K. - McDonnell, Curtis Criss, - Quaintance, A. L. - Waite, Merton Benway,
    Publication info: Washington,Govt. print. off.,1922.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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