Massachusetts Correctional Institution – Plymouth or MCI - Plymouth is a minimum-security prison facility located in the Myles Standish State Forest in Plymouth, Massachusetts. It is not to be confused with much larger Plymouth County Correctional Facility, also located in Plymouth.[1]
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41°50′55″N 70°39′40″W / 41.84861°N 70.66111°W / 41.84861; -70.66111