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Title
Columnar basalt with explanatory sign in Yellowstone National Park #140816129
Description
This Sheepeater Cliff was named for the Shoshone Indians who lived throughout this mountainous region. Their use of bighorn sheep earned them the name `Tukadika` or `Sheepeaters`. The cliff is basalt lava that formed `columnar joints` when it cooled nearly 500 000 years ago.