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Please read BHL's Acknowledgment of Harmful Content
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  1. By: North Central Forest Experiment Station (Saint Paul, Minn.) - Ostrom, Arnold J.
    Publication info: St. Paul, North Central Forest Experiment Station, Forest Service, 1976
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Ostrom, Arnold J. - Missouri. Department of Conservation. - North Central Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108), U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, [1991]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library