1. Series of several pits or depressions (SN76766961 - SN76906953). May be cuttings taking place on Esgair Ddu high ground, or may be the result of a collapsing mine shaft. In close proximity to Esgair Ddu mine. Visible on aerial photos.
E.J.Stapley, RCAHMW, 30/8/2000.
2. There are 11 depressions in a line 170m long to the SE from the mine.
B.A.Malaws, RCAHMW, 21 June 2002.
