Boundary ditch cropmarks, Low Butterby, Croxdale - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Vyner, B | 1994 | Aerial Photograph by Blaise Vyner | 1,994.07 |
| 2 | Vyner, B | Croxdale, Low Butterby | ||
| 3 | Vyner, B | Croxdale, Low Butterby | ||
| 4 | Vyner, B | Croxdale, Low Butterby | ||
| 5 | Vyner, B | Croxdale, Low Butterby | ||
| 6 | Vyner, B | Croxdale, Low Butterby | ||
| 7 | Unknown | Historic England Aerial Photographs Collection | NMR OS/89292 0015 16-JUN-1989; NMR NZ 2739/6 (12293/22) 10-JUL-1992 | |
| 8 | Unknown | 28-Oct-1994 | Aerial photograph of field near Low Butterby | |
| 9 | Unknown | 28-Oct-1994 | Aerial photograph of field near Low Butterby | |
| 10 | Unknown | 28-Oct-1994 | Aerial photograph of field near Low Butterby |