The plan is undated but shows workings dated [1898-1914]. Estate boundaries, specifying names of owners, are also shown on the plan.
Workings the [Upper] Yard Seam, Britannic Merthyr Colliery
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- ReferenceGB 214 DNCB/6/14/1/9/4
- Dates of Creation[c1914]
- Physical Description1 plan
Scope and Content
Administrative / Biographical History
The location shown on the plan corresponds roughly to Ordnance Survey, Glamorgan Sheet 27SW. National Grid Reference for Britannic Merthyr Colliery: SS978903.
Previous reference number: DNCB/75/114