original. https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Mahogany Obsidian...
0 Creative Commons Attribution 2.0 truetrue 27 September 2024 English Obsidian operator: Flickr described at URL: https://www.flickr.com/photos/47445767@N05/16582718709...
0 Creative Commons Attribution 2.0 truetrue 27 September 2024 English Obsidian operator: Flickr described at URL: https://www.flickr.com/photos/47445767@N05/16768859775...
0 Creative Commons Attribution 2.0 truetrue 27 September 2024 English Obsidian operator: Flickr described at URL: https://www.flickr.com/photos/47445767@N05/16146825754...
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Map 3,page 21- Environmental analysis record for Glass Butte geothermal interest area, central Oregon (IA environmentalana04davi) (page 31 crop).jpg....
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DescriptionMahogany obsidian (Tertiary, 5.03-7.7 Ma; Glass Buttes, Oregon, USA) 5.jpg English: Rhyolitic mahogany obsidian from the Tertiary of Oregon...
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