M0015605: Diagrammatic section of gravel face at Long Valley Wood pit, Croxley, Hertfordshire
- Date:
- December 1956
- Reference:
- WT/D/1/20/1/139/64
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0015605: Diagrammatic section of gravel face at Long Valley Wood pit, Croxley, Hertfordshire. Wellcome Collection. Source: Wellcome Collection.
