01062cam a2200277 4500 275650588 TxAuBib 20120616120000.0 821018s1983||||||||||||||||||||||||eng|u 82020129 /AC 9780531044889 0531044882 TxAuBib Aylesworth, Thomas G. The Mount St. Helens disaster : what we've learned / Thomas G. and Virginia L. Aylesworth. New York : Franklin Watts, 1983. 86 p. : ill. ; 24 cm. Includes index. Bibliography: p. 79-82. Describes the volcanic eruption of Mount St. Helens, and the close scientific monitoring concerned with recurrence, ecological impact, and weather changes. 20120616. Volcanoes. Saint Helens, Mount (Wash) Eruption, 1980 Juvenile literature. Saint Helens, Mount (Wash) Eruption, 1980. Aylesworth, Virginia L.