Workings by North's Navigation Collieries in the Five Feet Seam, Llynvi Valley

Scope and Content

Plan showing workings in the Four Feet Seam in the Blaenaman Fawr and Ffaldau areas. Fforchaman and Cwmaman pits are referred to on the plan. The plan is undated but shows workings from 1889-1913.

Administrative / Biographical History

The location shown on the plan corresponds roughly to Ordnance Survey, Glamorgan Sheets 26NW and 26SW. National Grid Reference for Caerau Colliery: SS865945. National Grid Reference for Coegnant Colliery: SS856932. National Grid Reference for St John's Colliery: SS875917.

Custodial History

Previous reference number: DNCB/75/92