Nantgarw/Windsor Colliery, Underground Plans

Administrative / Biographical History

Nantgarw Colliery - National Grid reference ST119857. Windsor Colliery - National Grid Reference ST117897. Ordnance Survey Glamorgan Sheet Nos. 28.16, 29.1, 36.4, 37.1, 36.8 and 37.5. During 1976 Windsor was linked with Nantgarw, both collieries worked as