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SUBSEQUENT EVENTS	6 Months Ended
SUBSEQUENT EVENTS	Jun. 30, 2016
SUBSEQUENT EVENTS
SUBSEQUENT EVENTS	14.SUBSEQUENT EVENTS On July 26, 2016, we declared a quarterly distribution for the quarter ended June 30, 2016, of $0.55 per unit on all common units outstanding, totaling approximately $32.9 million, payable on August 19, 2016 to all unitholders of record as of August 12, 2016. On July 26, 2016, the ARLP Partnership declared a quarterly distribution for the quarter ended June 30, 2016, of $0.4375 per unit, on all common units outstanding, totaling approximately $52.4 million, including MGP’s incentive distributions, payable on August 12, 2016 to all unitholders of record as of August 5, 2016.