2023 Ohio Code 4104.32 – Operating historical boiler in place open to public

2020 Ohio Code 4104.32 – Operating historical boiler in place open to public

2018 Ohio Code 4104.32 – Operating historical boiler in place open to public

2016 Ohio Code 4104.32 – Operating historical boiler in place open to public

2015 Ohio Code 4104.32 – Operating historical boiler in place open to public

2014 Ohio Code 4104.32 – Operating historical boiler in place open to public

2013 Ohio Code 4104.32 – Operating historical boiler in place open to public

2009 Ohio Code 4104.32 – Operating historical boiler in place open to public