Workings in the Bute seam in the Aberdare, Aberaman, Hirwaun and Mountain Ash areas

Scope and Content

The plan is titled 'Co-Owners Estate' and shows areas owned by Holford, Lord and Crawshay; Curre, Holford and Lord; and Holford and Powell Duffryn Company. Also shows areas being worked by the following companies/collieries: Powell Duffryn, Bwllfa Colliery, Nixons Navigation and Blaengwaer Colliery. The following pits are shown on the plan: Navigation, Deep Duffryn, Middle Duffryn, Old Duffryn, Abercwmboi, Treaman, Abergwawr, Aberaman, Fforchaman, Cwmneol, Blaengwawr, Bwllfa, Nantmelin, Cwmdare, Seven Foot drift and Long Range drift. The plan is undated but shows workings from 1872-1941. Scale 6 Inches: 1 Mile.

Administrative / Biographical History

The location shown on the plan corresponds roughly to Ordnance Survey, Glamorgan Sheets 11, 18NE and 19NW.

Custodial History

Previous reference number: DNCB/75/13/3