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A geophone with a cut open view of the coil inside.
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There were alot of video displays of USGS subjects
open for viewing at the USGS sites. This one was empty for the moment,
but alot of the areas had people watching and perhaps resting from traveling
from one exhibit to another. Some of the videos, I had not even seen
before.
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A typical scene in the hands on room. Those are
USGS bags, they had a very large variety of
literature free for those which wanted it.
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Whats this scene for? Well.. it was noon, and
Jan Lahr and Dennis Ambrisco hopped on his
motorcycle to buy some hot dogs a short distance away.
Perhaps being the wife of a seismologist
is a good example of Darwins theory of adoption of
environment for survival.... I'd have gotten a better shot except
the camera doesn't always work at the time I want it too... Yes;
John also got a hotdog.
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Inside a office selling literatue. More displays.
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A USGS employee running one of John Lahrs building
frequency response displays. There was a large number of employees
active at both locations.