Geology in the Service of Man (PocketBook)

Geology in the Service of the Earth. More particularly it is the study of the nature, structure and history of that thin crustal veneer of our planet which is accessible to man; but narrowed even to this extent, it remains the broadest in scope of all the natural sciences, with nearly all of which it has close contacts, that have often developed from field of pure scientific speculation into subject of considerable economic importance.