Wheal Frances
TR4 9; Cornwall, England
TR4 9; Cornwall, England
AL5 4; Hertfordshire, England
SY5 9; Shropshire, England
TA4 3; Somerset, England
TN22 4; East Sussex, England
DL13 5; County Durham, England
WR13 6; Worcestershire, England
HP16 9; Buckinghamshire, England
CA7 3; Cumbria, England
SY11 4; Shropshire, England
NG23 7; Nottinghamshire, England
IG10 4; Essex, England
S10 1; South Yorkshire, England
BN15 9; West Sussex, England
SK13 1; Derbyshire, England
DT2 7; Dorset, England
OX13 6; Oxfordshire, England
BN5 9; West Sussex, England
PE2 9; Cambridgeshire, England
TF10 8; Shropshire, England