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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Sartz, Richard S.
    Publication info: Upper Darby, Pa, Northeastern Forest Experiment Station, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Sartz, Richard S.
    Publication info: [St. Paul], Lake States Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1963
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library