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13. Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Tables)
3 Months Ended
Mar. 31, 2020
Tables/Schedules  
Schedule of Asset Retirement Obligations

 

 

Three Months Ended

March 31,

 

2020

2019

 

 

 

 

 

Balance at beginning of period

$

163,369

$

154,292

Accretion expense

 

2,355

 

2,218

Balance at end of period

$

165,724

$

156,510