Interior view of the Santa Ana Tin Mine, Orange County, March 20, 1903 

Exterior view of a Santa Ana tin mine in Trabuco Canyon, March 20, 1903 

Concentrator at the tin mines owned by Colonel Robinson, Temescal, Riverside, ca.1889 

Inside a building at the Tin mines at Temescal, Riverside County, ca.1889 

Exterior view of the facilities of a tin mine along bottom edge of a canyon in Santa Ana, ca.1900 

Interior view of mine and miners in the Mohawk Mine, Goldfield, Nevada, ca.1900-1905 

Scenic view of the Mojave Desert and Providence Mountain from Bagdad Mine (the Chase Mill Site), Riverside, ca.1903 

Tin mine complex owned by Colonel Robinson, Temescal, 1889 

People inside a building at the Kinyon Mine in Randsburg, ca.1898 

A power drill at the Echo Mining Company mine, Mojave Mining District, ca.1900 

Interior view of atrium inside of the Gail Borden Jr. residence in Alhambra, 1903 

Old mill used by miners at the Ten Stamps Mine, ca.1900 

Assayers at a tin mine in Santa Ana, [s.d.] 

Four men at the Bucket & Windlass, a prospecting shaft, Hard Cash Mine, Randsburg, ca.1900 

Small smoke stack jutting out of a rough wooden shed at the San Gabriel Canyon silver mine, ca.1890 

Interior view of a mine (named Bagdad Mine?) belonging to the Rochester Gold Mining Co., Ludlow, California, ca.1900 

Gold mines and mining facilities, Goldfield, Nevada, ca.1904 

View of the Placer mine at Big Bar, Trinity County, showing a man with mining apparatus, 1900-1910 

Concentrator mill at a mine on the Colorado River, California, ca.1900 

The Mohawk mine and mining facilities, Goldfield, Nevada, ca.1905