– Oct 8, 2001
| Number | County | Town | Size | Built | Verif | GPS | Description |
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| DE-01-01 | Kent | Cowgills Corner | ? | Round barn on a private road leading off DE9 to the west, just N. of Dover Air Force Base. Round, gambrel roof. | |||
| DE-01-02 | Cowgills Corner | ? | At Pleasant Valley School. This seems to be a conflagration of two buildings. There is an octagonal schoolhouse at Cowgills Corners, on the E. side of DE9. |