Penallta Colliery, Shaft Deepening, Sand and Chippings Bunkers, Sloping Sides

Scope and Content

Produced by Thyssen Shaft Sinking Co. Ltd, Mining and Civil Engineering Contractors, Llanelly [Llanelli], Carmarthenshire. Plan dated 21 Sep 1960, received 4 Oct 1960.

Custodial History

Previous reference number: DNCB/62/15/5