Part of Graig Colliery & Brick Works (nprn 507795). Air shaft marked on 1st ed county OS map, marked as 'old' on 3rd ed. A cavity at least 2m deep is visible in the steep hillside, within a slight depression, but no stone or brick structure is visible.
Recorded as part of Uplands Initiative Survey. R Hayman, H&H, 16/09/2009.