Iowa Round Barns: The Sixty Year Experiment TR
NRHP: 64000152 Addendum: 64000153
| "Nebergall ""Knoll Crest"" Round Barn" |
| Brooks Round Barn |
| Clark Round Barn |
| Dobbin Round Barn |
| Dyas Hexagonal Barn |
| Eckle Round Barn |
| Fobes Octagon Barn |
| Frantz Round Barn |
| Grimes Octagon Barn |
| Haner, William, Polygonal Barn |
| Holtkamp Round Barn |
| Kinney Octagon Barn |
| Kirkpatrick, Robert Round Barn |
| Lenox Round Barn |
| McCoy Polygonal Barn |
| McKenzie, Erza, Round Barn |
| McQuilkin, James Greer, Round Barn |
| Meier, Fred W., Round Barn |
| Miller Round Barn |
| Nelson Round Barn |
| Nus, August, Polygonal Barn |
| Oakland, William, Round Barn |
| Octagon Barn, Otter Township |
| Octagon Barn, Richland Township |
| Octagon Round Barn, Indian Creek Township |
| Plagmann Round Barn |
| Polygonal Barn, Lincoln Township |
| Polygonal Barn, New Oregon Township |
| Polygonal Barn, Van Buren Township |
| Reburn, Thomas, Polygonal Barn |
| Reynolds, Charles B., Round Barn |
| Roberts Octagon Barn |
| Round Barn, Bruce Township Section 3 |
| Round Barn, Buckingham Township |
| Round Barn, Cooper Township |
| Round Barn, Dubuque Township |
| Round Barn, Millville Township |
| Round Barn, Norway Township |
| Round Barn, Pilot Grove Township |
| Round Barn, Washington Township |
| Round Barn, Washington Township |
| Rownd, C. A., Round Barn |
| Secrest Octagon Barn |
| Spotts Round Barn |
| Thomsen Round Barn |
| Tonsfeldt Round Barn |
| Waveland Round Barn |
| Wickfield Round Barn |
| Wood, Herman, Round Barn |
| Young, John W., Round Barn |
Data from United States Park Service and Wikidata
