Salt stacks drying, California, ca.1910 

Salt stacks drying, California, ca.1910 

Salt stacks drying in shallow water, California, ca.1910 

Large stack of salt being piled at a salt mine, California, ca.1910 

View of a salt mine, California, ca.1910 

Two men standing among rows of salt stacks in the north end of Death Valley, 1910-1920 

An aerial view of a salt marsh north of Death Valley, California, ca.1910 

Blurred view of two men at a salt mine sitting on a cable that appears to be in motion, ca.1910 

Man standing next to the brick building of the salt works north of Redondo Beach, ca.1901(?) 

Locomotive engine used by a salt works, California, ca.1910 

View of the Salton Sea showing salt incrustations (salt crust), Salton Sea Basin, Colorado Desert, east of Palm Springs, ca.1903-1904 

The Salt Works on the Salton Sea, Colorado Desert, east of Palm Springs, ca.1903 

Traction steam engine hauling borax, ca.1900 

Borax Smith's 20-mule team hauling borax across the desert, Death Valley [?], ca.1890 

Unidentified oil well, showing low hills in the background, ca.1930 

Redondo Salt Works, California, ca.1898-1906 

Twenty-mule team hauling borax in wagons from mines in Death Valley, ca.1890 

Unidentified agricultural area with snowy mountains in the background, [s.d.] 

Workers drying abalone shells in the sun in southern California 

Workers packing lettuce in an unidentified warehouse, [s.d.]