BEND, Ore. — After a day spent on the Obsidian Trail exploring the western bases of North and Middle Sister, it is easy to understand why the U.S. Forest Service limits the number of hikers and ...
X-ray technology has allowed researchers a glimpse at the reaches of the Yellowstone landmark’s prized stone and its importance to Indigenous people. By Jim Robbins YELLOWSTONE NATIONAL PARK, Wyo. — ...
L-53 (Glass Mountain Obsidian): Not a direct collection from outcrop; Unknown collection procedure. Collection includes raw material and naturally-weathered specimens. L-53 (Glass Mountain Obsidian): ...
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