OBSIDIAN CLIFF
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2025
Recommended
2025
Obsidian Cliff is an obsidian wall of 270 meters long and 75 meters high. The Indians used this stone to make the arrowheads of their arrows. During the construction of the road, the obsidian blocks were blown up, heating them first and then watering them with cold water. Beaver raised a 300-meter long dam across the Beaver Lake.
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