1. Old red sandstone.
2. Mountain limestone.
3. Millstone grit.
4. Coal seams.
5. Coarse sandstone.
6. New red sandstone.
7. Lias.
8. Inferior oolite.
9. Great oolite.
10. Corn brash and
1. Old red sandstone.
2. Mountain limestone.
3. Millstone grit.
4. Coal seams.
5. Coarse sandstone.
6. New red sandstone.
7. Lias.
8. Inferior oolite.
9. Great oolite.
10. Corn brash and