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13. Asset Retirement Obligation
3 Months Ended
Mar. 31, 2019
Notes  
13. Asset Retirement Obligation

13.          Asset Retirement Obligation

The Company has established asset retirement obligations associated with the ultimate closing of its mineral properties where there has been or currently are operations. Activity for the three months ended March 31, 2019 and 2018 is as follows:

 

 

 

Three Months Ended March 31, 2019

 

Three Months Ended March 31, 2018

 

 

 

 

 

Balance at beginning of period

$

154,292

$

121,560

Accretion expense

 

2,218

 

4,013

Revision of estimated reclamation costs

 

-

 

10,771

Balance at end of period

$

156,510

$

136,344

 

The estimated retirement obligation costs were discounted using credit adjusted, risk-free interest rate of 6.0% from the time the obligation was incurred to the time management expects to pay the retirement obligations.