text: Quarry to be added here:
  name="Cwm Eigiau Slate Quarry"
  points=see https://drive.google.com/open?id=1UNDU3AOHwady0mAoi06HebDFrHpSW2Ug&usp=sharing . Unfortunately Google Maps does not allow for copying point coordinates, but hopefully the map will show the basic shape of the site.