TY - BOOK AU - MURCHISON, Roderick Impey TI - On the vents of hot vapour in Tuscany and their relations to ancient lines of fracture and eruption U1 - 201 PB - London N1 - Offprint from Quarterly journal of the Geological Society of London, v.6, Nov. 1850. Bound with the Author's On the geological structure of the Alps... [1849] ER -