Editing California gold rush (section)

===Image gallery===
<gallery mode="packed" widths="140" heights="180">
File:Gullgraver 1850 California.jpg|Forty-niner panning for gold
File:Wooden gold sluice in California between 1890 and 1915..jpg|Sluice for separation of gold from dirt using water
File:Gold seeking river operations California.jpg|Excavating a riverbed after the water has been diverted
File:Quartz Stamp Mill.jpg|Crushing [[quartz]] ore prior to washing out gold
File:California gold miners with long tom (cropped).jpg|California gold miners with long tom, {{Circa|1850–1852|lk=no}}
File:Mining on the American River near Sacramento, circa 1852.jpg|Mining on the American River near Sacramento, {{Circa|1852|lk=no}}
File:River mining, North Fork of the American River, California (cropped).jpg|River mining, North Fork of the American River, {{Circa|1850–1855|lk=no}}
File:Hydraulic mining in Dutch Flat, California, between 1857 and 1870.jpg|Excavating a gravel bed with jets, {{Circa|1863|lk=no}}
File:Panning on the Mokelumne.jpg|Panning on the [[Mokelumne River]] (1860 illustration)
File:Chinese Gold Miners b.jpg|Chinese gold miners in California (illustration)
File:Henry Raschen - California Miner with Pack Horse.jpg|[[Henry Raschen]], ''California Miner with Pack Horse'', 1887, oil on canvas
</gallery>