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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