– Nov 14, 2007
| Number | County | Town | Size | Built | Verif | GPS | Description |
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| OK-05-01 | Beckham | Elk City | Octagon church. Just N. of I40 exit 41. Can be seen from W. bound I40. Cannot be seen from E. bound I40. | ||||
| OK-27-01 | Grant | Pond Creek | 68' x 53' | 2004 | N. of Pond Creek. US81 N. 1.4 miles from jct with US60 (Broadway Av.) in Pond Creek to the barn on the E. side of the road. Bules, true round barn, 2-story w/ramp to 2nd floor, red double row brick, spiral staircase inside center, 2-pitch conical roof, windowed cupola. (N36 41.38 W97 48.17) | ||
| OK-28-01 | Greer | Granite | 08-1995 | N34 57.53 W99 24.38 | W. of Granite. OK9 W. 2.6 miles from jct with OK6 in Granite to the barn on the N. side of the road. | ||
| OK-55-01 | Oklahoma | Arcadia | 60' x 43' | 1898 | 07-2002 | N35 39.75 W97 19.58 | In Arcadia. Along MO66 between Main and Division. True round, red horizontal siding, no cupola, dome roof, excellent condition. Restored in 1992. |
| OK-55-02 | Oklahoma City | Round bldg. Ford dealership just N. of I40 & about a mile W. of I235. | |||||
| OK-68-01 | Sequoyah | Sallisaw | ? | approximate N35 27.31 W94 48.34 | Round barn. S. edge of Sallisaw at 401 S Adams, can be seen from I40. Round, white, cupola, 2-pitch conical roof. Built by Robert (Bob) Hines. |