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  1. Rare plant inventory and plant community descriptions of the Sweet Grass Hills, Proposed Area of Critical Environmental Concern (PACEC), Toole and Liberty Counties, Montana / prepared for United States Department of Interior, Bureau of Land Management ; prepared by Western Technology and Engineering, Inc. in cooperation with Montana Natural Heritage Program.
    By: Western Technology and Engineering, inc. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Western Technology and Engineering, Inc.,[1989]
    Contributed by: Montana State Library (archive.org)
    Subjects: Endangered plants  Liberty County  Montana  Rare plants  Toole County  
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  2. Sensitive plant survey in the Sweetgrass Hills, Liberty and Toole Counties, Montana / prepared by Bonnie L. Heidel ; prepared for Bureau of Land Management.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1994]
    Contributed by: Montana State Library (archive.org)
    Subjects: Botany  Liberty County  Montana  Rare plants  Toole County  
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