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  1. Biological survey of a prairie landscape in Montana's glaciated plains : final report /
    By: Cooper, Stephen V. - Hendricks, P. - Jean, Catherine. - Montana Natural Heritage Program. - Montana State Library. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program :2001.
    Contributed by: Montana State Library (archive.org)
    Subjects: Animal-plant relationships  Grassland ecology  Indicators (Biology)  Montana  Phillips County (Mont.)  Valley County (Mont.)  
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  2. Effect of squirrels on the supply of ponderosa pine seed /
    By: Squillace, A. E. - Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)
    Publication info: Missoula, Mont. :Northern Rocky Mountain Forest and Range Experiment Station,[1953]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Animal-plant relationships  Ponderosa pine  
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