Subject ASC0001eka
The Quarterly journal of the Geological Society of London.
v.43 (1887), Page 549 (1887)
Natural History Museum Library, London
BHL Page 45996812
Keywords
Pit boring Roydon Church soil gault Jukes-Browne and W. Hill soil types soil section Inoceramus-bed chalkmarl Gault carstone section chalk clay geology