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Policy Framework in Canada for Mine Closure
PDF- The National Orphaned and Abandoned Mines Initiative (NOAMI) has the role of assessing key abandoned mine issues and recommending to the Mines Ministers of Canada actions,... -
Ontario Mining Act
PDFs- Mining Act for Ontario, passed in 1990
Та API -ийг ашиглан бүртгүүлж болно (API бичиг баримтууд -ээс харна уу).