Publications (1)
- (1921); BGS - Mineral Resources of GB (c1920s) Vol XIX - Lead and Zinc: in Carboniferous of North Wales; 169 pages
Halkyn - 191m
Halkyn Hall - 329m
Halkyn Deep Level, Pant y Go Shaft - 415m
Pant y Ffridd - 756m
New North Halkyn - 881m
Halkyn East - 935m
Halkyn Mount - 961m
Pant Quarry - 1,093m
Hen Rake - 1,157m
Moel y Crio - 1,242m
Pwllgwenllan - 1,333m
Brynparade - 1,441m
Plas Winter - 1,459m
Wagstaff - 1,520m
Rhes-y-cae - 1,527m
Mary Jane Shaft - 1,629m
Tan-y-Foel - 1,782m
Westminster New - 1,790m
Caerfallwch - 1,880m
Rhosesmor - 1,896m
Chwarel Las - 1,909m
Bryngwiog - 1,925m
Union - 1,964m