Could the Colorado Plateau Be an Ancient Impact Scar?

Conjectures on a road trip across the American West

GeoHistory of the Colorado Plateau and the Sedona area, in

A Billion Years Are Missing from Grand Canyon Rock—And Scientists

Traveler Special Report: Grand Canyon's Struggling River

Frontiers Human Occupation of the North American Colorado

Canyonlands National Park - Rock cairns, like the stack of rocks

Frontiers Rise of the Colorado Plateau: A Synthesis of

TWD -- Creationism and the Grand Canyon: The Colorado Plateau

Volcanic Resources Summary—El Malpais National Monument (U.S.

Zion vs Yosemite: the Science behind the Splendor – Rediscovering

Reservoirs, Bends, and Canyons on the Colorado Plateau