As long as rain and snow continue to fall in northern Arizona, the forces of erosion will continue to shape the Grand Canyon of the Colorado River.
(rain and snow; continue; ) (rain and snow; to fall; L:in northern Arizona) (the forces of erosion; will continue; T:As long as rain and snow continue to fall in northern Arizona) (the forces of erosion; to shape; the Grand Canyon of the Colorado River)
rain and snow rain and snow the forces of erosion the forces of erosion
continue to fall will continue to shape
L:in northern Arizona
T:As long as rain and snow continue to fall in northern Arizona
the Grand Canyon of the Colorado River