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13. Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Details    
Balance at beginning of period $ 161,049 $ 141,359
Asset Retirement Obligation, Period Increase (Decrease) 154,292 121,560
Asset Retirement Obligation, Liabilities Incurred 6,757 9,028
Asset Retirement Obligation $ 0 $ 10,771