'This 277-mile-long gorge of the Colorado River was primarily formed during the Pleistocene'
the Grand Canyon
PLEISTOCENE STEALER: This 277-mile-long gorge of the Colorado River was primarily formed during the Pleistocene
This 277-mile-long gorge of the Colorado River was primarily formed during the Pleistocene
This 277-mile-long gorge of the Colorado River was primarily formed during the Pleistocene
PLEISTOCENE STEALER
the Grand Canyon
PLEISTOCENE STEALER