[Extent of Workings] in the Four Feet and Six Feet Seams at Deep Navigation Colliery

Scope and Content

Plan showing [extent of colliery workings], Deep Navigation Colliery. The plan is also annotated with unidentified estate boundaries. Scale 1:2500.

Administrative / Biographical History

This plan comprises the following annotated Ordnance Survey Sheet(s): Glamorgan Sheets 19.6, 19.7, 19.10 and 19.11. Second Edition, 1900. Surveyed 1873, revised 1898. National Grid Reference for Deep Navigation Colliery: ST100973.

Custodial History

Previous reference number: DNCB/75/23