Publications (1)
- (1921); BGS - Mineral Resources of GB (c1920s) Vol XIX - Lead and Zinc: in Carboniferous of North Wales; 169 pages
Garreg - 581m
Garreg Mine Engine Shaft - 583m
Lady Harriet Shaft - 729m
Ty'n Twll - 822m
Whitford - 1,013m
Pant yr Hwch - 1,313m
Bryn Forwd - 1,450m
Rhydwen - 1,462m
Merllyn, Whim Shaft - 1,512m
Coed Penygelli - 1,558m
Penygelli - 1,564m
Lodge Shaft - 1,579m
Lloc New Engine Shaft - 1,598m
Lloc - 1,608m
Merllyn - 1,611m
Pantywacco - 1,684m
Ty Maen - 1,693m
Brindigrif - 1,716m
Ffordd Las - 1,762m
Tymaen - 1,877m
Celyn Bog - 1,903m
Glol - 1,994m