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SUBSEQUENT EVENTS	9 Months Ended
SUBSEQUENT EVENTS	Sep. 30, 2016
SUBSEQUENT EVENTS
SUBSEQUENT EVENTS	14. SUBSEQUENT EVENTS On October 28, 2016, we declared a quarterly distribution for the quarter ended September 30, 2016, of $0.55 per unit on all common units outstanding, totaling approximately $32.9 million, payable on November 18, 2016 to all unitholders of record as of November 10, 2016. On October 28, 2016, the ARLP Partnership declared a quarterly distribution for the quarter ended September 30, 2016, of $0.4375 per unit, on all common units outstanding, totaling approximately $52.4 million, including MGP's incentive distributions, payable on November 14, 2016 to all unitholders of record as of November 7, 2016.