Hot Spring Cone, Yellowstone National Park 1871

Valley of the Yellowstone River, Yellowstone National Park 1871

Castle Geyster, Yellowstone National Park 1871

Devil's Slide, Cinnabar Mountain, Park County, Montana 1871

Grand Geyser, Yellowstone National Park 1872

"Photographing in High Places," [Jackson and assistant in Grand Teton National Park] 1872

Gothic Mountain, Gunnison County, Colorado 1873

Teocali Peak, Gunnison County, Colorado 1873

Roches Moutonnees, Eagle County, Colorado 1873

Mount of the Holy Cross and Roche Moutonnee Valley, Eagle County, Colorado 1873

Panorama from La Plata Mountain, La Plata and Montezuma Counties, Colorado [3 photographs] 1873

Sawatch Range, Chaffiee and Pitkin Counties, Colorado 1873

Panorama from the summit of Mount Lincoln, Park County, Colorado [3 photographs] 1873

Buckskin Gulch and Mount Bross, Park County, Colorado 1873

Arkansas Valley, Lake and Chaffee Counties, Colorado 1873

Great Moraine on the Arkansas, Chaffee County, Colorado 1873

Natural bridge on Lake Creek, Lake County, Colorado 1873

Upper Twin Lake, Lake County, Colorado 1873

Lower Twin Lake, Lake County, Colorado 1873

[Portrait of Native American man dressed in western clothes, "EO Guerrier Interp. for Arapahoo's" inscribed on mount] circa 1873

[Group of Native American schoolchildren posed on schoolhouse steps, "525 School children Pawnee" inscribed on mount] circa 1873