TY  - BOOK
AU  - Glicken,Harry
AU  - Meyer,William
AU  - Sabol,Martha
ED  - United States
TI  - Geology and ground-water hydrology of Spirit Lake blockage, Mount St. Helens, Washington, with implications for lake retention
U1  - 551.490979784 19th ed.
PY  - 1989///].
CY  - [Washington]: 
PB  - [United States Government Printing Office], 
KW  - Volcanic ash, tuff, etc
KW  - Washington (United States)
KW  - Spirit Lake
KW  - Groundwater
KW  - Saint Helens, Mount (Washington)
KW  - Eruption
KW  - 1980
N1  - Conduct diagr. 1: topographic representation of top of debris-avalanche deposit, also showing other geologic units of spirit lake blockage; Conduct diagr. 2: geologica cross-sections of spirit lake blockage cross-sections located on plate 1; Conduct map: geologic map of spirit lake blockage, showing locations of drill holes, drainage divides, and critical, points relative to potential lake breakout; Includes bibliographical references (p. 30-32)
ER  -