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 Date: 2011-08-01 11:50:47Mining Ore System of Environmental and Economic Accounting for Water Economics Economic geology Mineral economics Mineral resource classification |
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| First Page | Document Content | |
|---|---|---|
Date: 2011-08-01 11:50:47Mining Ore System of Environmental and Economic Accounting for Water Economics Economic geology Mineral economics Mineral resource classification |
Add to Reading List |
Microsoft PowerPoint - Classification of subsoil resources and reserves (James Blignaut)