Subject ASC000115b
The Quarterly journal of the Geological Society of London.
v.56 (1900), Page [710] (1900)
Smithsonian Libraries
BHL Page 41488116
Keywords
walton cliff essex crag Klippe F.W. Harmer Crag of Essex Section at Walton Cliff Walton Cliff humus gravel quartz chert clay clay-band grey crag ferruginous crag Essex Walton-on-the-Naze Cross section of Walton Cliff. geology minerals soil types soil layers cliff Crag area mollusca shells Walton fauna section geological section