Plan showing workings undertaken by Powell Duffryn, Nixon's Navigation and Cwmaman collieries. The following pits are referred to on the plan: Lletty Shenkin, Old Duffryn, Aberaman, Middle Duffryn, Lower Duffryn, Abercwmboi, Deep Duffryn, Navigation, Cwm Cynon, Penrikyber, Cwmneol, Fforchaman and Cwmaman. The plan is undated but shows workings from 1906-1945. Scale 6 Inches: 1 Mile.
Workings in the Seven Feet Seam on the Duffryn Estate
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- ReferenceGB 214 DNCB/6/14/1/4/10/7
- Dates of Creation[c1945]
- Physical Description1 plan
Scope and Content
Administrative / Biographical History
The location shown on the plan corresponds roughly to Ordnance Survey, Glamorgan Sheets 18NE and 19NW.
Previous reference number: DNCB/75/10/7