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13. Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Details)
6 Months Ended
Jun. 30, 2018
USD ($)
Details  
Balance at beginning of period $ 121,560
Asset Retirement Obligation, Period Increase (Decrease) 7,007
Asset Retirement Obligation, Liabilities Incurred 10,771
Asset Retirement Obligation $ 139,338