Monitoring volcanoes : techniques and strategies used by the staff of the Cascades Volcano Observatory, 1980-90 /
Ewert, John W.
Swanson, Donald A.(Donald Alan),1938-
Geological Survey (U.S.)
[Reston, Va.?] : U.S. Department of the Interior, U.S. Geological Survey ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey,
1992.
Shipping list no.: 93-0035-P.
Includes bibliographical references.
Cascades Volcano Observatory.
Volcanism