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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2016
RENTAL EXPENSE, COMMITMENTS AND CONTINGENCIES  
Schedule of minimum amounts under purchase commitments, long term leases covering office space, exploration expenditures, option payments on properties

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Payments due by period

 

    

2017

    

2018

    

2019

    

2020

    

2021

    

Thereafter

    

Total

 

 

(in thousands)

Operating lease obligations (office rent)

 

$

494

 

$

309

 

$

315

 

$

318

 

$

257

 

$

512

 

$

2,205

Operating lease obligations (mining and surface rights)

 

 

2,044

 

 

2,337

 

 

2,332

 

 

2,291

 

 

2,261

 

 

2,466

 

 

13,731

Reclamation costs(1)

 

 

751

 

 

415

 

 

690

 

 

3,540

 

 

2,709

 

 

2,810

 

 

10,915

Total

 

$

3,289

 

$

3,061

 

$

3,337

 

$

6,149

 

$

5,227

 

$

5,788

 

$

26,851

(1)

Amounts presented represent the undiscounted uninflated future payments.