Geographical and physical map of the world ... shewing the coal fields, all the existing steam navigation, the overland route to India with the proposed extension to Australia ... by Smith Evans, 1851 / 
Evans, Henry Smith.
Davies, Benjamin Rees.
London :  Letts, Son & Steer, 
1851.
General information; British possessions; Relative superficial area and tons of coals produced in each country.
The title on the cover reads: A Map of all the known Coal Fields throughout the World, &c.