The Ancient Volcanoes of Great Britain, Volume 2 (of 2)Note 319 — Chapter XLII · THE BASIC SILLS OF THE BASALT-PLATEAUXReading editionOp. cit. vol. xiv. (1857), p. 9; vol. xliv. (1888), p. 71.◇Copy noteReturn to CHAPTER XLII THE BASIC SILLS OF THE BASALT-PLATEAUX