EVER since its appearance more than thirty years ago, “Lake and Rastall” has been recognized as our leading elementary text-book on geology. Now, in its fifth edition, it has been carefully revised ...

An introduction to geology -- Plate tectonics: a scientific revolution unfolds -- Matter and minerals -- Magma, igneous rocks, and intrusive activity -- Volcanoes and volcanic hazards -- Weathering ...

HOWEVER prophetic may have been the far-seeing premonitions of men in advance of their age in the dim past, and however invaluable may have been the additions made to the superstructure since, it can ...