TY  - BOOK
ED  - National Geographic Society (U.S.).
ED  - National geography society
TI  - Powers of nature
U1  -  551 
PY  - 1978///
CY  - Washington
PB  - Society
KW  - Earthquakes
KW  - Volcanoes
KW  - Meteorology
KW  - Droughts
KW  - Water
N1  - Includes index
ER  -