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.

Fish Lake Beach, Utah.

Non-conformable Strata, Salina Cañon, Utah.

Colorado River, above the Paria.

Sevier river at Gunnison.

Grand Cañon; Sheavwitz Crossing.

Grand Cañon; Sheavwitz Crossing.

Grand Cañon; Sheavwitz Crossing.

Devil's Anvil, Sheavwitz Crossing.

Devil's Anvil, Sheavwitz Crossing.

Devil's Anvil, Sheavwitz Crossing.

Plateau of the Grand Cañon.

The Bear, Colorado Plateau.

Salt Creek Cañon, Utah.

Grand Cañon; Sheavwitz Crossing.

Grand Cañon; Sheavwitz Crossing.

Grand Cañon; Sheavwitz Crossing.

Grand Cañon; Sheavwitz Crossing.

Grand Cañon; Sheavwitz Crossing.