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Dee Wright Observatory

1938 (creation)

Unknown USDA Forest Service …

Oregon, United States

Dee Wright Observatory

1938 (creation)

Unknown USDA Forest Service …

Oregon, United States

Dee Wright Observatory

1938 (creation)

Unknown USDA Forest Service …

Oregon, United States

Dee Wright Observatory

1938 (creation)

Unknown USDA Forest Service …

Oregon, United States

Dee Wright Observatory

1938 (creation)

Unknown USDA Forest Service …

Oregon, United States