Newberry National Volcanic Monument Obsidian Flow
Oct. 5, 2024
State of Oregon: Blue Book - Newberry National Volcanic Monument - By Professor Douglas Deur Big Obsidian Flow Trail, Newberry National Volcanic Monument, Oregon Stock Photo | Adobe Stock Obsidian in Newberry National Volcanic Monument | Obsidian r… | Flickr Newberry National Volcanic Monument Obsidian Flow
