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8. Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Details    
Balance at beginning of period $ 154,292 $ 121,560
Asset Retirement Obligation, Period Increase (Decrease) 9,077 3,901
Asset Retirement Obligation, Liabilities Incurred 0 28,831
Balance at December 31 $ 163,369 $ 154,292