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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Smith, Richard S. - Graham, David A. - United States. Forest Service.
    Publication info: Washington, Forest Service, U.S. Dept. of Agriculture, 1975
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Riffle, Jerry W. - Smith, Richard S. - United States. Forest Service.
    Edition: [Rev. Apr. 1979.].
    Publication info: [Washington], Dept. of Agriculture, Forest Service, [1979]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Smith, Richard S. - United States. Forest Pest Management. Methods Application Group.
    Publication info: Fort Collins, Colo, U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group, 1984
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library