Burros packing wood.

Mountain pack train.

Burro train, with ore from the gold mines, Col. U.S.A.

Rainbow at Piwyack.

Slippery Ford House. [no. 627].

Emigrant Train, Strawberry Valley, going east. [no. 625].

Miner's Cabin, American River. [no. 617].

Homeward bound from Arizona.

Wool train in Tucson, Arizona.

A mightly sentinel in a trackless waste - Zoroaster Tower.