Subject ASC00014uq
The Quarterly journal of the Geological Society of London.
v.26 (1870), Page 182 (1870)
Smithsonian Libraries
BHL Page 39017725
Keywords
geology limestone iron Iron ore Carboniferous limestone geological section geological section iron-ores carboniferous limestone ore Millstone Grit iron ores carboniferous limestone. production of minerals calamine carbonate of zinc Shipham Burrington Chewton Priddy Heydon Mendip Hills