Part of Graig Colliery & Brick Works (nprn 507795). Coal level marked on 1st ed county OS map, but disused on 2nd ed. Surface evidence is a deep N-S grass-covered cutting directly into the hill, 15m long, 3m wide at the entrance, and up to 8m high. Subsidence has obscured the entrance.
Recorded as part of Uplands Initiative Survey. R Hayman, H&H, 16/09/2009.