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  1. Biodiversity and representativeness of research natural areas on national wildlife refuges in Montana, designated areas within Benton Lake, Charles M. Russell, Lake Mason, Medicine Lake, and Red Rock final report / submitted to the U.S. Fish and Wildlife Service ; prepared by Stephen V. Cooper and Bonnie L. Heidel.
    By: Cooper, Stephen V. - Heidel, Bonnie L. - Montana Natural Heritage Program. - U.S. Fish and Wildlife Service.
    Publication info: Helena, MT :Montana Natural Heritage Program,c1999
    Contributed by: Montana State Library (archive.org)
    View Book
  2. Botanical and vegetation survey of Carter County, Montana, Bureau of Land Management-administered lands / prepared by Jim Vanderhorst, Stephen V. Cooper, and Bonnie L. Heidel ; prepared for United States Department of the Interior, Bureau of Land Management.
    By: Vanderhorst, James P. - Cooper, Stephen V. - Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1998]
    Contributed by: Montana State Library (archive.org)
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  3. Botanical survey of the Ruby Range, Madison County, Montana, Dillon Resource Area, Bureau of Land Management / prepared by Jim Vanderhorst [et. al].; prepared for United States Department of Interior, Bureau of Land Management.
    By: Cooper, Stephen V. - Heidel, Bonnie L. - Pierce, John. - Vanderhorst, James P. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1997]
    Contributed by: Montana State Library (archive.org)
    View Book
  4. Botanical survey of the Scratchgravel Hills, Lewis and Clark County, Montana /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,c1998.
    Contributed by: Montana State Library (archive.org)
    View Book
  5. Conservation status of Lomatium attenuatum Evert (Apiaceae) in Montana /
    By: Vanderhorst, James P. - Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,1998.
    Contributed by: Montana State Library (archive.org)
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  6. Conservation status of Spiranthes diluvialis Sheviak in Montana.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena :Montana Natural Heritage Program,1998
    Contributed by: Montana State Library (archive.org)
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  7. Demographic monitoring of Penstemon lemhiensis, Beaverhead National Forest, 1992 progress report / prepared by J. Stephen Shelly and Bonnie L. Heidel, for Beaverhead National Forest.
    By: Shelly, J. Stephen. - Heidel, Bonnie L. - Beaverhead National Forest (Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
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  8. Demographic monitoring of Penstemon lemhiensis, Dillon Resource Area, Bureau of Land Management : 1992 progress report / prepared by Bonnie L. Heidel and J. Stephen Shelly ; prepared for Bureau of Land Management, Dillon Resource Area.
    By: Heidel, Bonnie L. - Shelly, J. Stephen. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
    View Book
  9. Monitoring Shoshonea pulvinata in the Pryor and Beartooth Mountains, Carbon County, Montana : 1999 trend report /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[2001]
    Contributed by: Montana State Library (archive.org)
    View Book
  10. Monitoring study of cirsium longistylum (long-styled thistle), a candidate threatened species / prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena :Montana Natural Heritage Program,1994.
    Contributed by: Montana State Library (archive.org)
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  11. Plant species of concern /
    By: Heidel, Bonnie L.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,2001.
    Contributed by: Montana State Library (archive.org)
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  12. Plant species of concern and plant associations of Powder River county, Montana /
    By: Heidel, Bonnie L. - Crispin, Susan. - Jean, Catherine. - Montana Natural Heritage Program. - Montana.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c2002.
    Contributed by: Montana State Library (archive.org)
    View Book
  13. Plant species of special concern and plant associations of Sheridan County, Montana /
    By: Heidel, Bonnie L. - Cooper, Stephen V. - Jean, Catherine.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,2000.
    Contributed by: Montana State Library (archive.org)
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  14. Population status and ecology of trembling aspen and black cottonwood communities on the Blackfeet Indian Reservation /
    By: Cooper, Stephen V. - Heidel, Bonnie L. - Blackfeet Tribe of the Blackfeet Indian Reservation of Montana. - Montana Natural Heritage Program. - U.S. Fish and Wildlife Service.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1997.
    Contributed by: Montana State Library (archive.org)
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  15. Report on the conservation status of Erigeron lackschewitzii : a candidate threatened species / Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
    View Book
  16. Sensitive plant species survey at the southern end of the Elkhorn Mountains, Broadwater and Jefferson 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,[1995]
    Contributed by: Montana State Library (archive.org)
    View Book
  17. Sensitive plant species survey, Ashland District, Custer National Forest, Powder River and Rosebud Counties, Montana / by Bonnie L. Heidel and Hollis Marriott ; for Custer National Forest.
    By: Heidel, Bonnie L. - Marriott, Hollis. - Custer National Forest (Mont. and S.D.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1996]
    Contributed by: Montana State Library (archive.org)
    View Book
  18. Sensitive plant species survey, Garfield and McCone 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)
    View Book
  19. Sensitive plant species surveys, Butte District, Beaverhead and Madison Counties, Montana / by Bonnie L. Heidel and Jim Vanderhorst, for Bureau of Land Management.
    By: Heidel, Bonnie L. - Vanderhorst, James P. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1996]
    Contributed by: Montana State Library (archive.org)
    View Book
  20. Sensitive plant survey in the Sioux District, Custer National Forest, Carter County, Montana, and Harding County, South Dakota / prepared by Bonnie L. Heidel and Keith H. Dueholm ; prepared for Custer National Forest.
    By: Heidel, Bonnie L. - Dueholm, Keith H. - Custer National Forest (Agency : U.S.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1995.
    Contributed by: Montana State Library (archive.org)
    View Book
  21. 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)
    View Book
  22. Sensitive plant surveys in the Big Belt and Elkhorn Mountains, U.S.D.A. Forest Service, Region 1, Helena National Forest, Montana / prepared by Jackie M. Poole and Bonnie L. Heidel ; prepared for Helena National Forest.
    By: Poole, Jackie M. - Heidel, Bonnie L. - Helena National Forest (Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
    View Book
  23. Status review of sword townsendia (Townsendia spathulata) and Limestone Hills survey Broadwater County, Montana / prepared for Butte District, Bureau of Land Management ; prepared by Bonnie L. Heidel.
    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)
    View Book
  24. Survey for Psoralea hypogaea in the Great Falls Resource Area, Lewistown District, Bureau of Land Management, Montana /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1994.
    Contributed by: Montana State Library (archive.org)
    View Book
  25. Survey for Quercus macrocarpa in the Powder River Resource Area, Miles City District, Bureau of Land Management, Montana / prepared for Bureau of Land Management, Miles City District Office ; prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993].
    Contributed by: Montana State Library (archive.org)
    View Book
  26. Survey of Cypripedium calceolus, U.S.D.I. Bureau of Land Management, Butte District, Garnet Resource Area, Montana / prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1992?]
    Contributed by: Montana State Library (archive.org)
    View Book
  27. Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1997.
    Contributed by: Montana State Library (archive.org)
    View Book