Disgrifiad
Russell Society Report entitled: Minerals of the Glamorgan Coast: Sully Island, with comments on the geoplogy and local history' ; by Lynda Gafield and Dave Wellings, dated January 2012.
Enw Casgliad
AENT - Archaeological Reports/Evaluations (non Trust)
Cyfrwng
Cartographic, Photo, Text.
Cychwynnwr
Lynda Garfield, The Russell Society - Wales and West, Dave Wellings
