The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 421 — Chapter XXIV · CARBONIFEROUS VOLCANIC PLATEAUX OF SCOTLANDReading editionTrans. Roy. Soc. Edin. vol. xxxvii. (1893), p. 116.◇Copy noteReturn to CHAPTER XXIV CARBONIFEROUS VOLCANIC PLATEAUX OF SCOTLAND