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  1. Key to important woody plants of eastern Oregon and Washington,
    By: Hayes, Doris W. - Garrison, George A.,
    Publication info: Washington,U.S. Govt. Print. Off.,1960.
    Holding Institution: MBLWHOI Library
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  2. Northwest range-plant symbols /
    By: Garrison, George A., - Poulton, Charles E. (Charles Edgar), - Skovlin, Jon M.
    Edition: 3d ed.
    Publication info: [Portland, Or.] :Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, U.S. Forest Service,1967.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
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