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Birsfelden power station and sluice 1954.
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Birsfelden power station and sluice 1954.

Placer Mining
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Placer Mining

Hindiyah Barrage in Iraq, about 48 miles southeast of Baghdad. Foaming waters coming through the sluices ca. 1932
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Hindiyah Barrage in Iraq, about 48 miles southeast...

California History - Placer Mining at Volcano, Amador County - the Dump and Sluice circa 1866.
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California History - Placer Mining at Volcano, Ama...

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...

Gold Mining in California
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Gold Mining in California

The River Thames at Caversham
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The River Thames at Caversham

Group portrait of a woman and three men, crouched outside, smiling; one of the men is displaying a dish of panned gold 1910
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Group portrait of a woman and three men, crouched ...

Gold Mine 1910
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Gold Mine 1910

Taking gold from Chatanika, sluice-box 1915
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Taking gold from Chatanika, sluice-box 1915

Washing gold 1916
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Washing gold 1916

Washing gold 1916
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Washing gold 1916

Hose team. The champion Chinese Hose Team of America 1888
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Hose team. The champion Chinese Hose Team of Ameri...

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

Ruins of the ancient dam at Ma'rib
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Ruins of the ancient dam at Ma'rib

Ruins of the ancient dam at Ma'rib
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Ruins of the ancient dam at Ma'rib

Ruins of the ancient dam at Ma'rib
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Ruins of the ancient dam at Ma'rib

Ruins of the ancient dam at Ma'rib
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Ruins of the ancient dam at Ma'rib