From the Princeton Weekly Bulletin, November 17, 1997
Freshman seminar. Geosciences Professor Kenneth Deffeyes
(above, c) demonstrates titratration of water from California's Mono
Lake to members of a freshman seminar on Active Geological Processes.
The students, accompanied by professors Lincoln Hollister (standing,
l), Robert Phinney and Jason Morgan, spent their fall break doing
field work in the Sierra Nevada, observing the results of recent
volcanoes, earthquakes and glaciers. Brenda Lin (r) hefts a boulder
of pumice.
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