Subject ASC0000it4
The Quarterly journal of the Geological Society of London.
v.51 (1895), Page 407 (1895)
Smithsonian Libraries
BHL Page 39016370
Keywords
geological stones rocks Terebratula Rhynchonella Zeilleria depth of geological deposits depth of geological deposit Cuckoo Pen Quarry Tuffley's Quarry grit lower Trigonia ragstone geology cross-section Cheltenham quarry quarry:Buckmann-grit