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RECLAMATION PROVISION (Tables) | 12 Months Ended
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Dec. 31, 2017
Asset retirement obligation |
Asset retirement obligation and environmental remediation liability |
Schedule of environmental remediation liability and reclamation provisions |
|  |  | Year Ended December 31, 2017 |  |  | Year Ended December 31, 2016 |  |
Asset retirement obligations – long-term, beginning of year |  | $ | 259,706 |  | $ | 269,068 |  |
Asset retirement obligations – current, beginning of year |  |  | 5,953 |  |  | 4,443 |  |
Current year additions and changes in estimate, net |  |  | 58,891 |  |  | (9,112 | ) |
Current year accretion |  |  | 5,247 |  |  | 3,847 |  |
Liabilities settled |  |  | (1,115 | ) |  | (1,113 | ) |
Foreign exchange revaluation |  |  | 21,004 |  |  | (1,474 | ) |
Reclassification from long-term to current, end of year |  |  | (8,609 | ) |  | (5,953 | ) |
Asset retirement obligations – long-term, end of year |  | $ | 341,077 |  | $ | 259,706 |  |
Environmental remediation liability |
Asset retirement obligation and environmental remediation liability |
Schedule of environmental remediation liability and reclamation provisions |
|  |  | Year Ended December 31, 2017 |  |  | Year Ended December 31, 2016 |  |
Environmental remediation liability – long-term, beginning of year |  | $ | 5,602 |  | $ | 7,231 |  |
Environmental remediation liability – current, beginning of year |  |  | 3,240 |  |  | 1,802 |  |
Current year additions and changes in estimate, net |  |  | 850 |  |  | 243 |  |
Liabilities settled |  |  | (4,559 | ) |  | (1,606 | ) |
Foreign exchange revaluation |  |  | 487 |  |  | 1,172 |  |
Reclassification from long-term to current, end of year |  |  | (1,429 | ) |  | (3,240 | ) |
Environmental remediation liability – long-term, end of year |  | $ | 4,191 |  | $ | 5,602 |  |

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