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11 cards from this deck
Surface mining technique for ores near ground level
Unwanted material above ore that must be removed
Forms backbone of operations
Prevent landslides & allow controlled extraction at depths
Roads for transporting ore & waste through terraced levels
Cost-effective - ores near surface easy to locate & extract
Permanently destroys landscapes & disrupts ecosystems
Efforts to restore mined areas after extraction
Remove topsoil & vegetation (stored for reclamation)
Economic efficiency with environmental responsibility
Terraced walls spiraling downward
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