Condensing salt, beside Yangtze River

Brine wells and salt factories

Salt wells beside the Yangtze River

Condensing salt beside the Yangtze River

Condensing salt, Yangtze Gorges

Sail windmill used in pumping brine, Taku Government salt fields, near Tientsin

Workers with salt boring equipment, Tzuliuching, Zidong

Some salt boring rigs, Tzuliuching, Zidong

Testing a new gas well, at the salt wells, Tzuliuching, Zidong

A series of man-pumps, salt wells, Tzuliuching, Zidong

Eight boring tools, salt wells, Tzuliuching, Zidong

Workers by gas-fired brine evaporating pans, salt wells, Tzuliuching, Zidong

Salt boring rigs, and boats, Tzuliuching, Zidong

Emptying the brine, salt wells, Tzuliuching, Zidong

Carrying the brine to a higher level, salt wells, Tzuliuching, Zidong

Running brine into boats, salt wells, Tzuliuching, Zidong

Horse-powered pumps to raise brine from a lower level to a higher level, Tzuliuching, Zidong

Buffalo winch, salt wells, Tzuliuching, Zidong

Man-pump, boat to piping, salt wells, Tzuliuching, Zidong

Overseers with workers weighing sewn up bags of salt, Tzuliuching, Zidong