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Helena National Forest
2880 Skyway Drive
Helena, MT 59602

(406) 449-5201

United States Department of Agriculture Forest Service.

Insects and Diseases

Graphic image reading, "Historic Photographs"

     

 

Graphic image of Western Spruce Budworm kill, Helena National Forest, 1953

  

Graphic image of Western Spruce Budworm damage in a Douglas-fir stand, Helena National Forest, 1953
  Historical photo from Helena National Forest  
     
 

 
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USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.