Download - British Geological Survey
Download - British Geological Survey
Download - British Geological Survey
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
PT Permotrias<br />
C Carboniferous<br />
S Silurian<br />
Ordovician<br />
OA Ashgill<br />
OC Caradoc<br />
Od Llandeilo<br />
-_- Major faults<br />
Simplified<br />
geological bounda<br />
- _<br />
Contour values in %