Workings in the Upper Four Feet Seam, Merthyr Tydfil area

Scope and Content

Scale 6 Inches: 1 Mile.

Administrative / Biographical History

This plan comprises the following annotated Ordnance Survey Sheet(s): Glamorgan Sheet 12 (Monmouthshire Sheet 16) (published 1884).

Custodial History

Previous reference number: DNCB/75/159/2/5