Bryn-yr-ogof
CH7 4; Denbighshire, Wales
CH7 4; Denbighshire, Wales
PA29 6; Argyll and Bute, Scotland
CM77 8; Essex, England
NG8 6; Nottinghamshire, England
RG17 0; Berkshire, England
S80 1; Nottinghamshire, England
PE32 1; Norfolk, England
LL16 5; Conwy, Wales
NE47 7; Northumberland, England
KA23 9; North Ayrshire, Scotland
NN14 1; Northamptonshire, England
LL36 9; Gwynedd, Wales
DH9 0; County Durham, England
PE10 0; Lincolnshire, England
NR22 6; Norfolk, England
WV16 6; Shropshire, England
TN22 3; East Sussex, England
YO19 6; North Yorkshire, England
NN10 8; Northamptonshire, England
LS26 0; West Yorkshire, England