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Provision for Environmental Liability	12 Months Ended
Provision for Environmental Liability	Dec. 31, 2018
Provision for Environmental Liability
Provision for Environmental Liability	13. Provision for Environmental Liability During 2016, the Province of British Columbia Ministry of Energy and Mines (“MEM”) requested that the Company prepare and present to MEM a reclamation plan for closure and abandonment of certain mining claims in British Columbia which the Company had disposed of in 1996. A plan was presented to MEM and we are awaiting a formal response. Assuming no other potentially responsible parties are identified, we have accrued estimated reclamation and other related costs, as of December 31, 2018 and 2017 on an undiscounted basis, which have been included in exploration, property evaluation and holding costs.