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  1. By: Mace, Arnett C. - Thompson, J. R. (Jesse Robert),
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1969
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Rich, Lowell R. - Thompson, J. R. (Jesse Robert),
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library