11. A reopening campaign has been run by the Wealden Line Campaign since 1986. 12. The eastern part of the Wealden dome was eroded away by the sea. 13. The natural gas of Heathfield comes from the Lower Wealden and Purbeck Beds. 14. There were also differences between downland and Wealden communities. 15. The specific name refers to the Wealden Formation. 16. The sites were excavated in 1968 / 9 by the Wealden Iron Research Group. 17. This has a slightly westward plunge, reflecting the axis of the Wealden Anticline. 18. The village was located at the centre of the Wealden iron industry from Roman times. 19. The parliamentary constituency for Danehill is Wealden . 20. Wealden hall house with a peg tile roof, dating from the early fifteenth century.
