File:1924. Ponderosa pine defoliated by pandora moth. Calimus Butte area, Oregon. (38166261076).jpg
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Categories:
- Coloradia pandora
- Pinus ponderosa (historical images)
- Pinus ponderosa forest management
- Diseases and disorders of plants due to insects
- United States Forest Service Pacific Northwest Region
- Black and white photographs of the United States in the 1920s
- Black and white photographs of Oregon
- 1924 in Oregon
- Animals with Pinus ponderosa