The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 463 — Chapter XXVII · GEOLOGICAL STRUCTURE OF THE CARBONIFEROUS PUYS OF SCOTLANDReading editionGeol. Surv. Mem. "Geology of Edinburgh," p. 58.◇Copy noteReturn to CHAPTER XXVII GEOLOGICAL STRUCTURE OF THE CARBONIFEROUS PUYS OF SCOTLAND