Workings in the Rhondda No.3 Seam and Pentre Seam, Glynogwr Colliery

Scope and Content

The plan is undated but shows workings dated [1909-1929]. The plan is also annotated with (mostly) unidentified estate boundaries. The plan covers Gilfach Goch, Llandyfodwg and surrounding areas. Scale 1:2500.

Administrative / Biographical History

This plan comprises the following annotated Ordnance Survey Sheet(s): Glamorgan Sheets 27.13, 27.14, 35.1 and 35.2 (surveyed 1874-75, revised 1897, published 1899). National Grid Reference for Glynogwr Colliery: SS977889.

Custodial History

Previous reference number: DNCB/75/90