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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Carlson, Clinton E. - Dewey, Jerald E.
    Publication info: Missoula, Mont, U. S. Dept. of Agriculture, Forest Service, Northern Region Headquarters, Division of State and Private Forestry, Forest Insect and Disease Branch, 1971
    Holding Institution: Montana State Library
    Subjects: Effect of fluorides on  Environmental aspects  Flathead National Forest  Fluorides  Glacier National Park  Montana  Plants  Pollution  
  2. By: Carlson, Clinton E. - United States. Forest Service. Division of State and Private Forestry.
    Publication info: Missoula, Mont, Insect and Disease Branch, Division of State and Private Forestry, Forest Service, [197-?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of fluorides on  Forest influences  Plants