A descriptive guide to the Museum of Practical Geology : with notices of the Geological Survey of the United Kingdom, the Royal School of Mines, and the Mining Record Office / By Robert Hunt and F.W. Rudler. 4th ed., rev. and partly re-written.
A descriptive guide to the Museum of Practical Geology : with notices of the Geological Survey of the United Kingdom, the Royal School of Mines, and the Mining Record Office / By Robert Hunt and F.W. Rudler.