| Number | County | Name | Owner | Verif | GPS | Description |
| MI-79-01 | Lenawee | Octagon | Thumb Octagon Barn | 11-2023 | N43 40.263 W83 13.034 | NE of Gagetown, Elkland Township. Bay City Forestville Rd. E. 1.4 miles from jct with Walsh Rd. in Gagetown, N. on Richie Rd. 0.9 miles to the quilt on the E. side of the road at 6948. |