Hello, Cecelia -

The New Jersey Geological Survey has a portable groundwater model they
have demonstrated here at various times.   It looks like the kind of
model that could be installed with some modification into a "permanent"
exhibit module.   They had a staff member who added liquid to
demonstrate the effect of well withdrawals and topography on the ground
water table.    I don't see why that idea couldn't be modified to take
place automatically (on a timer).

I believe Steve Johnson, a geologist with the Survey, built it.   He can
be contacted at:
[log in to unmask]     (email)
(609) 984-6587     (telephone)

Good luck with your project.

Shirley Albright
Assistant Curator of Natural History
New Jersey State Museum

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