Economic Systems Unit Plan.doc.docx

Apr 26, 2011 · What environmental and economic costs linger on even after almost all of the mines have been shut-down? 6. The General Mining Act of 1872 allows claims to minerals under the ground on federal land to be made at $2.50 to $5 per acre. The price was set in 1872 and remains the same today. What are the environmental/economic consequences of this ... ................
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