Workings in Lower Seam, St John's Colliery

Scope and Content

The plan is endorsed 'E Davies 1925'. The plan shows workings dated [1914-1935]. Estate boundaries, specifying names of owners, are also shown on the plan. Scale 1:2500.

Administrative / Biographical History

The location shown on the plan corresponds roughly to Ordnance Survey, Glamorgan Sheet 26.10. National Grid Reference for St John's Colliery: SS875917.

Custodial History

Previous reference number: DNCB/75/107