Photographer Timothy O'Sullivan was a best-known photograpger. He created some images in the 1860s and 70s about American History. After taking the photos of U.S. Civil War O'Sullivan joined a number of expeditions organized by the federal government to help document the new frontiers in the American West.
A man is sitting on wooden boat with - Colorado River in the Black Canyon, Mojave County, Arizona.
Pah-Ute an Indian group, near Cedar, Utah, in 1872
Twin buttes stand - photographed in 1872.
Clarence King's Fortieth Parallel personals, near Oreana, Nevada, in 1867.
The Pyramid and Domes, a line of dome-shaped tufa rocks in Pyramid Lake, Nevada, seen in 1867.
Panoramic view of tents and a camp identified as "Camp Beauty" - Photographed in 1873.
Old Mission Church, Zuni Pueblo, New Mexico. - 1873.
Boat crew of the "Picture" at Diamond Creek. - 1871
Browns Park, Colorado, 1872.
Shoshone Falls - 1874.
A man is sitting on rocky shore - 1871.
Photo taken in 1867, in the Carson Sink, part of Nevada's Carson Desert.
The mining town of Gold Hill - in 1867.
A wooden balanced incline used for gold mining - 1871.
O'Sullivan photographed the miners in tunnels, shafts, and lifts -1867
The head of Canyon de Chelly, looking past walls that rise some 1,200 feet above the canyon floor, in Arizona in 1873.
Headlands north of the Colorado River Plateau, 1872.
Native American (Paiute) family is posing - 1875.
The junction of Green and Yampah Canyons, in Utah - 1872.
Aboriginal life among the Navajo Indians. - 1873.
The Canyon of Lodore, Colorado, in 1872.
View of the White House - 1873.
The "Nettie", an expedition boat on the Truckee River, western Nevada - 1867.
Man bathing - 1874.
A distant view of Santa Fe, New Mexico in 1873.
Alta City - 1873.
Cathedral Mesa, Colorado River, Arizona, 1871.
Big Cottonwood Canyon, Utah, - 1869
Rock formations in the Washakie Badlands, Wyoming, - 1872
Oak Grove, White Mountains, Sierra Blanca, Arizona - 1873.