Train passing through a railroad snow shed and onto a tressel in the mountains at Cisco, ca.1910 

Southern Pacific Railroad train coming out of snow sheds in the mountains near Cisco, ca.1909 

Interior view of the snow sheds of Southern Pacific (or Union Pacific?) Railroad at Cisco, 1909 

Fire patrol lookout to protect Central Pacific Railroad snow sheds on Red Mountain at Cisco, ca.1910 

Southern Pacific "Cab Forward" steam locomotive coming out of Snow Shed 10, heading West onto Butte Canyon Trestle, ca.1910 

Southern Pacific train coming out of Snow Shed 10, heading West onto Butte Canyon Trestle, ca.1910 

Mount Lowe Railway car on trestle crossing Rubio Canyon, [s.d.] 

A distant view of the snow-capped San Bernardino Mountains, San Bernardino County, ca.1915 

A dry wash in the mountains, ca.1900 

Arrowhead Mountain in the San Bernardino Mountains, California, ca.1890 

Painting of Marshall's Pass over the Rocky Mountains, 1890-1930 

Rocky brook in a mountain canyon, ca.1900 

View of a train crossing a bridge over Canyon Diablo on a Navajo reservation in Arizona, ca.1900 

View of orange groves and snow-capped mountains in Redlands, California, ca.1900 

Three mountaineers making their way up a snow pass, [s.d.] 

Los Angeles and San Gabriel Railroad train on the bridge at Garvanza, the first trestle across the Arroyo Seco, approaching Highland Park from South Pasadena, ca.1885 

Desert Station of Southern Pacific Railroad at Palmdale showing a train in station, ca.1895 

The first train on the Cahuenga Valley Railroad to Hollywood, ca.1888 

The Sierra Madre Canyon and Mountains, ca.1895 

Mount Lowe Railway track and circular bridge, [s.d.]