Tilt-leg spider, a rapid-response instrument made to rest on top of...
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Detailed Description
Tilt-leg spider, a rapid-response instrument made to rest on top of the north-face of the 2005 Mount St. Helens lava dome. Includes GPS and seismometer.
Tilt-leg spider, a rapid-response instrument made to rest on top of the north-face of the 2005 Mount St. Helens lava dome. Includes GPS and seismometer.