THE well-known volume of Conybeare and Phillips, entitled “Outlines of the Geology of England and Wales,” which was published in 1822, and was based on an earlier and slighter work of the ...
Memoirs of the Geological Survey: England and Wales. "The Geology of the South Wales Coalfield." Part 13: "The Country around Pembroke and Tenby." By E. E. L. Dixon. (Southampton: Ordnance Survey ...