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  1. Mosquito control on the Columbia National Forest, Mt. Adams District /
    By: Roth, Andy. - Cecil, K. P. - Gifford Pinchot National Forest (Agency : U.S.)
    Publication info: Vancouver, Washington :[U.S. Department of Agriculture, Forest Service & Bureau of Entomology and Plant Quarantine],[1936]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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