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Geology of the Grand Canyon: The Permian.

THE TEMPLES AND TOWERS OF THE VIRGEN.THE PERMIAN.The idea of a terrace is not so typically represented in the Permian as it is in the superior formations. In many parts of the great stairway…

Geology of the Grand Canyon: Corrasion.

WEATHERING.CORRASION.Mr. G. K. Gilbert has embodied in his admirable monograph on the Henry Mountains, a chapter on Land Sculpture, which sets forth in most logical and condensed from the…

Geology of the Grand Canyon: Weathering.

CORRASION.WEATHERING.The work of corrasion is limited to the cutting of narrow gashes in the strata, and the grinding up of the fragments brought into the river channels. The widening of…

Grand Canyon Rim View

photos by Carol M. Highsmith Grand Canyon Vista Previous Next >> Related Links How Old Is the Grand Canyon?Grand Canyon QuizGrand CanyonArizonaThe National Park…

Grand Canyon River View

photos by Carol M. Highsmith Grand Canyon River View Previous Next >> Related Links How Old Is the Grand Canyon?Grand Canyon QuizGrand CanyonArizonaThe National Park…

Grand Canyon Watch Tower

photos by Carol M. Highsmith Grand Canyon Watch Tower Previous Related Links How Old Is the Grand Canyon?Grand Canyon QuizGrand CanyonArizonaThe National Park SystemCarol…

The Grand Canyon: Photo Slideshow

photos by Carol M. Highsmith Grand Canyon Panorama Next >> Related Links How Old Is the Grand Canyon?Grand Canyon QuizGrand CanyonArizonaThe National Park…

Painted Desert

(Encyclopedia) Painted Desert, badlands on the northeastern bank of the Little Colorado River, NE Ariz., stretching c.200 mi (320 km) SE from the Grand Canyon; includes Petrified Forest National Park…

The Grand Canyon: Facts, History & Profile

Top of Page Image Source: Getty ImagesFast Grand Canyon Facts Length: 277 miles (446 km) Width: 18 miles (29 km) at widest point Depth: 1 mile (1.6 km) deep Age: Estimated to be between 5-6…