Category:Volcanoes of Oregon by county
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This is a non-diffusing subcategory of Category:Volcanoes of Oregon.
It includes the volcanoes that can also be found in the parent category, or in diffusing subcategories of the parent.
It includes the volcanoes that can also be found in the parent category, or in diffusing subcategories of the parent.
This is a container category. Due to its scope, it should contain only subcategories.