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A ranching couple took photos of rock spires carved from ancient ash and helped create Chiricahua National Park

· earth.com · popularity 20/100 · 0 similar stories today · Conservation & Environmental Protection (Earth, Nature & Environment)

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Summary

A 27-million-year-old eruption left a caldera 12 miles wide in Arizona. Its rock spires, protected since 1924, are now Chiricahua National Park.

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