O'sullivan, Timothy H.

[Man with a rifle stands by the donkey facing right.]

Grand Cañon, from opposite Diamond Creek.

Grand Cañon wall, opposite Diamond Creek.

View of Grand Cañon walls, near mouth of Diamond River.

Halt below mouth of Painted Cañon, Colorado River.

Mountain transportation. Pack mule, pack and packers.

Boat crew of the "Trilobite" at Diamond Creek.

Grotto Spring, Grand Cañon, Colorado River.

The start from Camp Mojave, Arizona, September 15th, 1871.

View across Black Cañon. The grand walls in perspective.