Fort Stambaugh, Wyoming near Sweetwater River, 1870; Shoshoni Chief Washakie's camp.

An elk.

Extinct geyser, east fork of the Yellowstone.

Camp in the forests of the Yellowstone.

Extinct geyser, east fork of the Yellowstone.

Gratto Geyser, Fire Hole Basin.

Crater of Giant Geyser, Fire Hole Basin.

Crater of Castle Geyser, Fire Hole Basin.

Crater of Castle Geyser, Fire Hole Basin.

The Anna.

Yellowstone Lake, Mary's Bay.

Rapids above the falls of the Yellowstone.

Rapids above the falls of the Yellowstone.

Crystal Falls, Cascade Creek.

Grand Canon of the Yellowstone.

Grand Canon of the Yellowstone.

Grand Canon of the Yellowstone.

Grand canon of the Yellowstone.

Upper falls of the Yellowstone, 115 feet.

Upper falls of the Yellowstone, 115 feet.

Upper falls of the Yellowstone, 115 feet.

Lower falls of the Yellowstone, 550 feet.

Column rocks.

Tower Falls, 156 feet.

Hot springs on Gardiner's River, Cap of liberty.

Hot springs on Gardiner's River, upper basins.

Hot springs on Gardiner's River, Upper basins.

Mammoth hot springs.

Lower falls of the Yellowstone, 350 feet.

Hot springs, on Gardiner's River, lower basins.