Subject ASC00011hi
The Quarterly journal of the Geological Society of London.
v.56 (1900), Page 74 (1900)
Smithsonian Libraries
BHL Page 41487364
Keywords
Landscape geology cross section River Wye stones exposed grits on River Wye section from Gwastaden to Rhayader Gwastaden Rhayader Cerig Gwynion Grits Grit-band Rock Grits