Bell, William

Kanab Wash, Colorado basin.

Tufa bank, Kanab Wash.

Limestone walls, Kanab Cañon.

Weathered sandstone, Kanab Wash.

Weathered sandstone, Kanab Wash.

Limestone walls, Kanab Wash

Kanab Wash. Colorado Basin

Sand sculpture, Grand Cañon.

Lava cone, Devil's Hole, Arizona.

Perched rock, Rocker Creek, Arizona.

Chocolate mesa, Rocker Creek, Arizona.

Vermilion mesa, Rocker Creek, Arizona.

Mt. Range, near Castle Valley.

The "Vermillion cliff," a typical plateau edge, as seen from Jacobs Pool, Arizona.

Kanab Wash, Colorado basin.

Colorado River, below the Paria.

Colorado River, below the Paria.

Mt. Range, near Castle Valley.

Chocolate Butte; mouth of the Paria.

The northern wall of the Grand Cañon of the Colorado, near the foot of To-ro-weap valley.

The northern wall of the Grand Cañon of the Colorado, near the foot of To-ro-weap valley.

Grand Cañon of the Colorado.

Grand Cañon of the Colorado.

Cross-bedded sandstone, Kanab, Utah.

Mt. Range; Castle Valley in distance.

Cross-bedded sandstone, Kanab, Utah.

Cross-bedded sandstone, Kanab, Utah.

Cross-bedded sandstone, Kanab, Utah.

Cross-bedded sandstone, Kanab, Utah.

Weathered limestone, Grass Valley, Utah.