The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 455 — Chapter XXVII · GEOLOGICAL STRUCTURE OF THE CARBONIFEROUS PUYS OF SCOTLANDReading editionThe vent is shown in Sheet 39, Geol. Surv. Scotland.◇Copy noteReturn to CHAPTER XXVII GEOLOGICAL STRUCTURE OF THE CARBONIFEROUS PUYS OF SCOTLAND