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  1. Effect of partial cutting in the virgin stand upon the growth and taper of western yellow pine /
    By: Schumacher, F. X.
    Publication info: Berkeley, Cal. :Agricultural Experiment Station,1932.
    Contributed by: University of California, Davis Libraries (archive.org)
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  2. Yield, stand, and volume tables for white fir in the California pine region /
    By: Schumacher, F. X.
    Publication info: Berkeley, Cal. :Agricultural Experiment Station,1926.
    Contributed by: University of California, Davis Libraries (archive.org)
    View Book