Navajo Indian standing alone on the Painted Desert, Arizona, ca.1900 

Carl Eytel and George Wharton James in a horse-drawn wagon on the Butterfield Stage Road in the Colorado Desert, ca.1903 

Navajo family in their hogan on the Painted Desert preparing a meal, showing view from front, ca.1901 

General view of the Painted Desert from Tohatchi, New Mexico, ca.1900 

Two traders and their horse-drawn wagon, Arizona, [s.d.] 

Rock formations on the Painted Desert on the road from Gallup to the Tohatchie Indian Reservation, New Mexico, ca.1900 

Horse and wagon near the Rio Grande River on the road to the Indian Pueblo of Taos, New Mexico, ca.1889 

Five Navajo Indian wagons outside Hubbell's Indian Agency Store, Ganado, Arizona, ca.1870-1905 

Wagon crossing the Gila River on the Pima Indian Reservation, Pima, Arizona, ca.1905 

"Arizona Mary" leading a sixteen-yoke ox team in Arizona, ca.1890 

Horse-drawn wagons hauling grain to depot, ca.1920 

Navajo family in their hogan on the Painted Desert preparing a meal, showing view from side, ca.1901 

Horse-drawn wagon on a road through the Gaviota Pass, Santa Barbara County, California, ca.1900-1940 

Travelers and an ox-drawn wagon on the road east from Oregon, ca.1932 

Two covered wagons fording the little Colorado River beside a cable ferry, 1903 

Horse standing on Grand View Plateau, Grand Canyon, ca.1900-1930 

The painting "The Covered Wagon" by George Woodworth, ca.1850 

Navajo Indian horseman on his horse, ca.1900 

Mud springs and great sink on Mojave Desert near Rosamond, 1904 

Three men travelling across the Colorado Desert in a mule-drawn wagon, ca.1903