Hayden Expedition

Standing on Travertine Formation of Mammoth Hot Springs

Castle Geyser and Crested Pool, Upper Geyser Basin

Thomas Moran on Mammoth Terraces

Crystal Falls, Cascade Creek

Old Faithful Geyser from 1871

Pack Train of the U.S. Geological Survey

Liberty Cap, Mammoth Hot Springs

The Expedition Odometer

The Moran Family

Portrait of Thomas Moran

Portrait of Thomas Moran

Portrait of Artist Thomas Moran in Later Years

Portrait of Artist Thomas Moran in Later Years

Thomas Moran's Painting Palette

Thomas Moran's Painting Palette

Thomas Moran's Paintbrush

Thomas Moran's Painting Knife

Thomas Moran's Painting Knife

Thomas Moran's Painting Easel

Thomas Moran's Painting Easel

Thomas Moran's Dress Hat

Thomas Moran's Eyeglasses

Thomas Moran's Eyeglasses

Clam Gathers

Clam Gathers

On the Trail in Idaho

On the Trail in Idaho

Painter of Yellowstone

The Grand Canyon

The Grand Canyon

Near the Rim of the Grand Canyon

Near the Rim of the Grand Canyon

Lower Yellowstone Range

Lower Yellowstone Range

Tower Falls and Sulphur Mountain, Yellowstone

Tower Falls and Sulphur Mountain, Yellowstone

Yellowstone Lake

Yellowstone Lake

Yellowstone River

Yellowstone River

The Great Blue Springs of the Lower Geyser Basin

The Great Blue Springs of the Lower Geyser Basin

The Castle Geyser, Upper Geyser Basin

The Castle Geyser, Upper Geyser Basin

The Mosquito Trail, Rocky Mountains

The Mosquito Trail, Rocky Mountains

Tower Creek

Tower Creek

Hot Springs of Gardiner's River, Yellowstone Park

Hot Springs of Gardiner's River, Yellowstone Park

The Yellowstone Range from Near Fort Ellis

The Yellowstone Range from Near Fort Ellis

The Devil's Slide, Yellowstone

The Devil's Slide, Yellowstone

Yellowstone Cañon

Yellowstone Cañon

Crystal Falls

Crystal Falls

Canyon Walls

(Canyon Walls)

Bridalveil Fall

Bridalveil Fall

Western Landscapes

The Grand Canyon

The Grand Canyon

View of the Grand Canyon from the Rim

View of the Grand Canyon from the Rim

Grand Canyon

Grand Canyon

The Devil Tower

The Devil Tower

The Sentinel and El Capitan and the Great White Throne

The Sentinel and El Capitan and the Great White Throne

Shiva's Temple

Shiva's Temple

The Great Salt Lake of Utah

The Great Salt Lake of Utah

The Grand Canon

The Grand Canon

Valley of Babbling Waters

Valley of Babbling Waters

The Mountain of the Holy Cross

The Mountain of the Holy Cross

The Towers of Tower Falls

The Towers of Tower Falls

Hotsprings of Gardiner's River

Hotsprings of Gardiner's River

The Summit of the Sierras

The Summit of the Sierras

W. Spring Creek July 8, Idaho

(W. Spring Creek July 8, Idaho)

The Grand Canyon of the Yellowstone

Photographing the Holy Cross

Photographing the Holy Cross

Holy Cross