(Associated Press) - Slot machine revenue at Plainridge Park Casino, the state's only slots parlor, has dropped for the second straight month.

The Massachusetts Gaming Commission said Thursday that Plainridge generated $12.6 million in gross gambling revenue in September.

The state's first licensed gambling facility reported $18 million in slots revenue during its first full month of operation in July, falling to $15.2 million in August.

Under state law, 49 percent of gross gambling revenue from the slots parlor is returned to the state. Of that total, 82 percent goes to cities and towns for local aid and 18 percent to a horse racing development fund.

Penn National Gaming, Plainridge's parent company, said the revenue trends are consistent with other property openings where numbers tend to settle over the first few months of operation.

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