Workings in the Gellideg Seam in the Upper Rhondda

Scope and Content

The following collieries are referred to on the plan: Fernhill, Rhondda Merthyr, Tydraw, Blaen Rhondda, Bute Merthyr, Bute, Lady Margaret, Ynysfeio, Tyla Coch, Abergorky, Eastern, Dare, Park and Maerdy. The plan is undated but shows workings from 1921-1940. The plan is also annotated with unidentified estate boundaries. Scale 6 Inches: 1 Mile.

Custodial History

Previous reference number: DNCB/75/11/8