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Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2014
Asset Retirement Obligations Tables  
Schedule of Changes to the Asset Retirement Obligation

Changes to the asset retirement obligation for the years ended December 31, 2014 and 2013 were as follows:

 

   December 31,
2014
  December 31,
2013
       
Balance, beginning of year  $151,353   $158,976 
Liabilities incurred   —      —   
Disposal   (10,041)   (24,063)
Accretion expense   16,440    16,440 
Balance, end of year  $157,752   $151,353