The Colorado River can take full responsibility.
Or:
It could be said that the snowfall on the Western Slope of the Rocky Moountains is to blame.
Water
description of how erosion contributed to the formation of the grand canyon
The Colorado River formed the Grand Canyon.
The Grand Canyon.
grand canyon
The formation of The Canyon did not involve a meteor in any way whatsoever.
The grand canyon
The Grand Canyon was formed by the processes of weathering and erosion.
The Grand Canyon was created by the Colorado River!
erosion by wind and water
The Grand Canyon has been, and still is being, made by a river.
rain, the river Colorado wearing the plains
You will see a large and magnificent rock formation made by erosion.