Keywords: Mason County Courthouse, Havana.jpg 40 18 2 N 90 3 42 W Front of the w Mason County Courthouse Illinois Mason County Courthouse located on the courthouse square in downtown Havana Illinois Havana Illinois United States Although built in 1882 it is a mix of earlier and later styles the plans were 31 years old at the time of construction and it was heavily modified 80 years later own 2014-07-03 User Nyttend Nyttend Built in Illinois in 1882 Brick buildings in Illinois County courthouses in Illinois Greek Revival architecture in Illinois Havana Illinois Building-centered pictures by User Nyttend |