How To Use Placer mining In A Sentence

• And they want Captain Largo to get us out checking the appropriate chapter houses to see if he's been doing any placer mining. THE WAILING WIND
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• In conducting coastal open air placer mining or shore-based well drilling to exploit seabed mineral resources, effective measures must be taken to prevent pollution to the marine environment.
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• The area no longer has any active mines, but there are large tracts of land under claim for placer mining.
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• Huge mounds of river rock stand with great hubris along the creek banks, remnants of the exhaustive sluice and placer mining operations that once took place on the town's perimeter.
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