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11 cards from this deck
Mining method to extract metal ores from underwater locations
Riverbeds, lake bottoms, and sea floors
Vertical support posts that anchor the dredging vessel
Onboard facilities that separate valuable ores from waste
Valuable minerals concentrated by natural water action
Collection, processing, and disposal
Gold, tin, sand/gravel, rare earth minerals
Creates muddy water, reduces visibility and oxygen levels
Destroys habitats for fish, plants, and aquatic organisms
Less visual impact on the landscape
Storms, high winds, rough water can halt operations
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