Small Scale Mining Permits FAQs | Idaho Department of Water Resources
Small scale mining is the use of any equipment to dig, scrape, dredge, or otherwise move streambed materials from below the ordinary high watermark in search of minerals. The use of such equipment is limited to: suction dredges having power sources (motors or engines) rated at 15 horsepower (HP) or less, and. non-powered sluice …
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