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ASSET RETIREMENT OBLIGATIONS
 6 Months Ended
Jun. 30, 2019
ASSET RETIREMENT OBLIGATION  
ASSET RETIREMENT OBLIGATIONS

9. ASSET RETIREMENT OBLIGATIONS

The following table summarizes the changes in the reserve for future restoration and reclamation costs on the balance sheet:

 

 

 

 

 

 

 

 

 

    

June 30, 

    

December 31, 

(thousands of dollars)

 

2019

 

2018

Balance, beginning of period

 

$

6,203

 

$

5,731

Liabilities settled

 

 

(320)

 

 

(521)

Liabilities disposed

 

 

(13)

 

 

 —

Accretion expense

 

 

156

 

 

993

Balance, end of period

 

 

6,026

 

 

6,203

Less: Current portion

 

 

(881)

 

 

(708)

Non-current portion

 

$

5,145

 

$

5,495

 

The Company is currently performing plugging and surface reclamation activities at its Rosita and Vasquez projects located in Duval County, Texas. The Company’s current liability of $0.9 million consists of the estimated costs associated with current reclamation activities through March 2020 at the Company’s Rosita and Vasquez projects.