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13. Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Tables)
9 Months Ended
Sep. 30, 2018
Tables/Schedules  
Schedule of Asset Retirement Obligations

 

Nine Months Ended

September 30,

2018

2017

 

 

 

 

 

Balance at beginning of period

$

121,560

$

72,218

Accretion expense

 

9,028

 

6,327

Revision of estimated reclamation costs

 

10,771

 

23,597

Balance at end of period

$

141,359

$

102,142