Penallta Colliery, Proposed Arrangement of New Pit Bottom, No.1 Pit (Scheme 1)

Scope and Content

Produced by/for National Coal Board, South Western Division, No.5 Area. Plan dated 14 Nov 1957 with revisions up to 23 Jan 1959.

Custodial History

Previous reference number: DNCB/62/19/4