Five million years ago, the Colorado River met the Gulf of California near the present-day desert town of Blythe, California. The evidence, say geologists, is in the sedimentary rocks exposed at the edges of the valley where the river flows today.
Five million years ago, the Colorado River met the Gulf of California near the present-day desert town of Blythe, California. The evidence, say geologists, is in the sedimentary rocks exposed at the edges of the valley where the river flows today.