| Number | County | Name | Owner | Verif | GPS | Description |
| IA-48-01 | Iowa | Ear of Corn | Karen & Dick Olsen | 06-2012 | N41 46.611 W92 00.334 | W. of South Amana, Washington Township. US6 W. 2.1 miles from jct with 220th Trl in South Amana, S. on P Av. 0.35 miles to the quilt on the E. side of the road at 1580. |