Symphony of the earth. - Umbgrove, Johannes Herman Frederik 1899-1954. (The Hague Nijhoff, 1950)
Symphonia terrestris.--A country below sea-level.--Across the Swiss Alps.--Deep furrows on the continents and in the deep-sea.--The root of a mountain-chain.--A trip on a volcano.--Life and its evolution.
"Each chapter is adapted from one or more [of the author's] addresses and lectures delivered on various occasions and in different countries."
Includes bibliographies.
Keywords: Geology