Johnson County, Iowa
Oval barn - IA-52-06 Round barn - IA-52-07 Round barn - IA-52-09 Round barn - IA-52-08 Covered bridge - 15-52-b Covered bridge - 15-52-a Octagon bldg - IA-52-11 Octagon barn - IA-52-05 Octagon barn - IA-52-02 Octagon barn - IA-52-03 Round barn - IA-52-04 Octagon barn - IA-52-01