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Placer operation

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Date
Date Issued
1940?-1949?
Date Submitted
Keywords
Placer mining -- Colorado
 Gold mines and mining -- Colorado
 Excavating machinery -- Colorado
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Colorado Mining Association Collection
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A0160-1108.jpg
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https://hdl.handle.net/11124/181906
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Abstract
Excavating machine loading a trommel in the water, separating gold from gravel and discharging the aggregate onto dumps.
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Copyright retained by Colorado Mining Association.
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