The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 423 — Chapter XXIV · CARBONIFEROUS VOLCANIC PLATEAUX OF SCOTLANDReading editionTrans. Roy. Soc. Edin. vol. xxxvii. (1893), pp. 117-119.◇Copy noteReturn to CHAPTER XXIV CARBONIFEROUS VOLCANIC PLATEAUX OF SCOTLAND