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French Corral
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French Corral

California History - Hydraulic mining near French Corral, Nevada County circa 1866.
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California History - Hydraulic mining near French ...

Gold Mining History - Hydraulic Mining - The Sand Box circa 1866.
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Gold Mining History - Hydraulic Mining - The Sand ...

A Golden work.' Hydroulic [sic] mining at Rockdrville [i.e. Rockerville], Dakota 1889.
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A Golden work.' Hydroulic [sic] mining at Rockdrvi...

Hydraulic Mining - Tail Flume, emptying into Auburn Ravine circa 1866.
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Hydraulic Mining - Tail Flume, emptying into Aubur...

California History - Hydraulic Mining - hauling Sluice Blocks, for the Blue Gravel Claim, Smartsville, Nevada County circa 1866 .
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California History - Hydraulic Mining - hauling Sl...

Hydraulic mining for gold in the Malakoff mines
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Hydraulic mining for gold in the Malakoff mines

Pioneer Mine 1910
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Pioneer Mine 1910

Miocene Ditch Company's mining operations on Glacier Creek 1910
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Miocene Ditch Company's mining operations on Glaci...

Hydraulic gold mining 1910
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Hydraulic gold mining 1910

Colorado. Placer mining 1900
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Colorado. Placer mining 1900

Pioneer Mine 1910
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Pioneer Mine 1910

Hydraulic mining, at Gold Run, Placer County 1867
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Hydraulic mining, at Gold Run, Placer County 1867

Hydraulic gold mining - near Dutch Flat, California, C.P.R.R. 1868
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Hydraulic gold mining - near Dutch Flat, Californi...

Hydraulic gold mining, Virginia City. 1871
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Hydraulic gold mining, Virginia City. 1871

Hydraulic mining, California gulch, Colorado 1878
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Hydraulic mining, California gulch, Colorado 1878

A Golden work. Hydraulic [sic] mining at Rockerville [i.e. Rockerville], Dakota. 1889
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A Golden work. Hydraulic [sic] mining at Rockervil...

Hydraulic mining near French Corral, Nevada County 1866
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Hydraulic mining near French Corral, Nevada County...

Hydraulic mining - behind the pipes in the Kennebec Claim, Birchville, Nevada County 1866
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Hydraulic mining - behind the pipes in the Kennebe...

Golden work. Hydraulic mining. 1890
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Golden work. Hydraulic mining. 1890