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  1. Agricultural plant pest control : a study manual for commercial and governmental pesticide applicators /
    By: Montana. - Hinck, Laura. - Johnson, Kim. - Mullin, Barbara H.
    Publication info: Helena, Mont. :Montana Department of Agriculture,1998.
    Contributed by: Montana State Library (archive.org)
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  2. Right-of-way pest control and governmental : regulatory weed : a study manual for commercial and governmental pesticide applicators /
    By: Montana. - Johnson, Kim. - Mullin, Barbara H.
    Publication info: Helena, Mont. :Montana Department of Agriculture,2003.
    Contributed by: Montana State Library (archive.org)
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