Unidentified Workings, Gelli-deg Colliery

Scope and Content

Colliery workings, Gelli-deg Colliery, [Gwernau Drift] and other old levels. Scale 25 Inches: 1 Mile.

Administrative / Biographical History

This plan comprises the following annotated Ordnance Survey Sheet(s): Glamorgan Sheet 29.2 (Monmouthshire Sheet 27.2) (surveyed 1878, published 1885). National Grid Reference for Gellideg Colliery: ST16389471.

Custodial History

Previous reference number: DNCB/75/3