Trewen, Fforchwen and Cwmaman pits are referred to on the plan. The plan is undated but shows workings from 1908-1926. Scale 6 Inches: 1 Mile.
Workings in the Seven Feet Seam, Aman Valley
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- ReferenceGB 214 DNCB/6/14/1/2/5
- Dates of Creation[c1926]
- Physical Description1 plan
Scope and Content
Administrative / Biographical History
The location shown on the plan corresponds roughly to Ordnance Survey, Glamorgan Sheets 18NE and 18SE. National Grid Reference for Fforchwen Colliery: SS988994. National Grid Reference for Cwmaman Colliery: SS993994.
Previous reference number: DNCB/75/14/5