TY  - BOOK
AU  - Ewert, John W.
AU  - Swanson, Donald A.
CN  - QE75
CN  - QE75
CY  - Washington :
CY  - Denver, CO :
DA  - 1992.
ID  - 229696
KW  - Volcanism
PB  - U.S. G.P.O. ;
PB  - For sale by Book and Open-File Report Sales, U.S. Geological Survey,
PP  - Washington :
PP  - Denver, CO :
PY  - 1992.
T1  - Monitoring volcanoes :techniques and strategies used by the staff of the Cascades Volcano Observatory, 1980-90 /
TI  - Monitoring volcanoes :techniques and strategies used by the staff of the Cascades Volcano Observatory, 1980-90 /
VL  - 1966
ER  -