Workings by N.N.C. [North's Navigation Collieries] in the Two and Half Feet Seam, Llynvi Valley

Scope and Content

Caerau Colliery, Llynfi Colliery, St John's, Maesteg Deep Colliery and No.9 Colliery are referred to on plan. Also shows workings in the Caedavid Seam. The plan is dated 4 June 1903. The plan shows workings dated [1883-1925]. An annotation dated 16 Jan 1931 notes that the plan is incorrect in the position of the pits. Estate boundaries and a section of strata are also shown on plan. Scale: 1:2500.

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 No.9 Level: SS861919. National Grid Reference for Maesteg Deep Colliery: SS856919.

Custodial History

Previous reference number: DNCB/75/120