Big Coal, boundaries of takings, Mountain Ash area

Scope and Content

One of two plans to be viewed together showing Big Coal workings. This plan is undated, with one area of workings dated Jan 1911. Scale 6 Inches: 1 Mile.

Administrative / Biographical History

This plan comprises the following annotated Ordnance Survey Sheet(s): Glamorgan Sheet 19 (surveyed 1868 and 1873-1875, published 1884).

Custodial History

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