Publications (1)
- (1921); BGS - Mineral Resources of GB (c1920s) Vol XXI - Lead, Silver and Zinc: Cornwall, Devon, Somerset; 88 pages
East Trelawny - 446m
North Trelawny - 669m
Venton, Wheal - 922m
Ludcott, Wheal - 933m
Honey and Trelawny, Wheal - 1,216m
Ludcott and Wrey United - 1,219m
Butterdon Mine - 1,264m
Wrey, Wheal - 1,302m
Trehane, Wheal - 1,559m
Trelawney, Wheal - 1,627m
Phillip's Shaft - 1,657m
St Mary's Lead Works - 1,888m
Pollard's Shaft - 1,965m