Alder Dam / Because Alder Dam / Port of Tacoma / Cascades Volcano Observatory / McGill University / /
IndustryTerm
gas-poor mixture / stop vehicle travel / transportation / community services / moderate tephra producer / mechanical devices / gas-emission rate / indirect products / gas-rich magma / gas-poor magma / gas-rich mixture / chemical composition / Gas samples / /
Movie
A.D. / /
NaturalFeature
Nisqually River valley / D. Lower river / D. Lower White river / Puyallup River valley / Map river / Elliott Bay / Emmons Glacier / Puyallup valley / Duwamish River valley / Puyallup river / South Puyallup River valley / Lower river / Green river / Nisqually River / Lower White river / Duwamish River / Cascade volcanoes / White river / Alder Lake / Duwamish River valleys / Lower Nisqually River / Tephra falls / White River valley / Map D. river / Map D. Lower river / Mount St. Helens / D. river / Map D. Lower White river / /
Organization
Division of Geology and Earth Resources / U.S. Department of the Interior U.S. Geological Survey Volcano Hazards / Department of Civil Engineering and Applied Mechanics / Tacoma Department of Public Utilities / U.S. Government / McGill University / U.S. Department of the Interior / /
Person
Dave Wieprecht / Thomas J. Casadevall / / /
Position
Acting Director This report / Secretary U.S. Geological Survey / moderate tephra producer / /
USGS Open-File Report, text