Typescript report by William Galloway on the inspection of Snowdown colliery and the cost of sinking, with statistics, three plans and a geological plan.

Reports by William Galloway and other mining engineers and mineralogists analysing coal from a large number of collieries and coalfields in Wales, England, Scotland, Australia, Africa, Canada, South Africa and Bulgaria, as well as iron and other minerals from Greece, the Isle of Man and elsewhere, with related correspondence, maps and diagrams.