Ordnance Survey Sheet, Plan SO 0600 (H4)

Scope and Content

Plan showing location of Merthyr Vale spoil heaps. Pantglas School, Hafod-tanglwys-uchaf and Moy Road can be seen on the plan. Ordnance Survey, January 1957. Scale 1:2500.

Custodial History

Former reference number: DNCB/70/45/1/3