Ordnance Survey, Geological Sheet, Glamorgan Sheet XIX NW (H8)

Scope and Content

Plan showing Aberfan, Mountain Ash and surrounding areas. Geological Survey of Great Britain (England and Wales), Provisional Edition, Revision of 1914 with additions in 1948. Published 1959. Scale 1:10860

Custodial History

Former reference number: DNCB/70/45/1/11