Octagon Barn, Polk Township

Address: E of US 218, Plainfield, Iowa. County/parish: Bremer.

NRIS 86001418

1 contributing building.

Removed from the National Register of Historic Places April 29, 1993.

Part of Iowa Round Barns: The Sixty Year Experiment TR (NRIS 64000152).


  • Unknown

Architectural styles:

  • Other

National Park Service documentation: https://npgallery.nps.gov/AssetDetail/NRIS/86001418