Quarterly report pursuant to Section 13 or 15(d)

Note 7 - East Tennessee Materials and Energy Corporation ("M&EC") - Reported Closure Liabilities (Details)

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Note 7 - East Tennessee Materials and Energy Corporation ("M&EC") - Reported Closure Liabilities (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
Balance $ 3,058
Accretion expense 94
Payments (407)
Balance $ 2,745