Rooster Rock, Columbia River.

Conglomerate Rocks, Coast of California.

View of a rocky beach.

View of rocks, water and trees.

View of men standing on rocks.

View of sea with rock formation.

The Overhanging Boulder, Mid-night Cañon, Arizona.

Thos. Moran, America's great scenic artist, sketching at Bright Angel Cove, Ariz.

The Guardian Giants - work of erosion on the Rim.

The Castles, from head of Hance's Cove.

An eroded sentinel - survivor of the primeval flood.

Rocks in the Canon de Chelle--950 ft.