Workings in the Seven Feet Seam in the Aberdare area

Scope and Content

One of four plans to be viewed together showing workings from Navigation, Deep Duffryn and Merthyr Vale Pits No.1 and No.2 with other pits also shown. This plan has no annotations. Scale 6 Inches: 1 Mile.

Administrative / Biographical History

This plan comprises the following annotated Ordnance Survey Sheet(s): Glamorgan Sheet 11 (embossed Jun 1899).

Custodial History

Previous reference number: DNCB/75/158/2