Related Clues:

• Layers as of rock in the earth's crust
• Fabric from the fibres of the flax plant
• Layers of rock on earth's surface
• Layers or social classes
• It may be ruled over the North from the North
• Around the north-east one gets a nil return for what the North produces
• Queue to the North from the North
• The stuff of the North is drawn to the North
• The ruler makes it over the North in a material sense
• It may be drawn to the 28 across and be made there
• ELN from the North
• May be drawn to the North, as produced in the North (5)
• The layers that don't lay
• -n, to a material extent
• The kind of gem you plan to get under the layers of them (6)