Catalogue number: QK21
| CUCAP no.: | QK21 |
| Photo date: | 1955-07-01, p.m. |
| Type: | Oblique |
| Film type: | [Unknown] |
| Latitude: | 51.805557 |
| Longitude: | -0.266741 |
| Northings: | 213300 |
| Eastings: | 519600 |
| OS map sheet: | 160 |
| Copyright: | CUCAP |
Cropmarks, Chalkhill farm, 1 mile ESE of Wheathampstead