The Sylvanus Marriage Octagonal Barn near New Rockford, North Dakota, United States, was built in 1902. It meets the current, practical definition for a round barn. It was listed on the National Register of Historic Places in 1986.[1][2]
References
- ^ a b "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ^ "National Register of Historic Places Inventory/Nomination: Sylvanus Marriage Octagonal Barn". National Park Service. and accompanying photos
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