On the N side of a terminal kink in the boundary of an abandoned intake, a much ruined building is defined by stony banks 1.5m wide and 0.3m high giving overall dimensions 6m (NNW-SSE) by 5m . There is no obvious entrance though the remains are slightest at the NW end. Overgrown with grass, rushes, moss and bilberry.

visited DKL 9.10.92