When was the historic prison which has Mansfield Correctional Institution in the adjacent built? 
Mansfield Correctional Institution: Mansfield Correctional Institution (MANCI) is an Ohio Department of Corrections mixed-security state prison for men, located at 1150 North Main Street in Mansfield, Ohio, adjacent to the property of the historic Ohio State Reformatory. Ohio State Reformatory:  It was built between 1886 and 1910 and remained in operation until 1990, when a United States Federal Court ruling (the 'Boyd Consent Decree') ordered the facility to be closed.
between 1886 and 1910