Erosion by the Little Colorado River has stripped away most of the cover, leaving exposed butte&#45;like vent&#45;fill pipes along several levels of valley terracing.
(Erosion by the Little Colorado River; has stripped away; most of the cover; leaving exposed butte&#45;like vent&#45;fill pipes along several levels of valley terracing) Context(Erosion by the Little Colorado River has stripped away,List([0, 54))):(Erosion by the Little Colorado River; has stripped away most of the cover leaving; exposed butte&#45;like vent&#45;fill pipes along several levels of valley terracing)
Erosion by the Little Colorado River has stripped away,List([0, 54))
Erosion by the Little Colorado River Erosion by the Little Colorado River
has stripped away has stripped away most of the cover leaving
most of the cover leaving exposed butte&#45;like vent&#45;fill pipes along several levels of valley terracing
exposed butte&#45;like vent&#45;fill pipes along several levels of valley terracing