Subject ASC0000zng

The Quarterly journal of the Geological Society of London.
v.37 (1881), Page 158 (1881)
Smithsonian Libraries
BHL Page 43971368

Keywords

landscape geology Wales Geology Pont Erwyd Plynlimmon Llangwrig Rhyader. Strata Florida Teifi Pools Rhyader Gwastaden. Central Wales section Plynlimmon axis slates grits conglomerates shales fossils rocks types central Wales

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