New research shows prehistoric lake contributed to the birth of the Grand Canyon
RESTON, Va. — A new collaborative study led by the U.S. Geological Survey provides strong evidence that the Grand Canyon was carved out by spillover flooding from ancient Lake Bidahochi, a large lake fed by the ancestral Colorado River. The lake’s eventual spillover likely helped establish the course of the Colorado River.
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- October 03, 2026 20:43
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