Contact: Mari N. Jensen
University of Arizona
Caption: Sarah Truebe, a geosciences doctoral student at the University of Arizona, checks on an experiment that measures how fast cave formations grow in Arizona's Cave of the Bells.
Credit: Copyright 2010 Stella Cousins.
Usage Restrictions: This photo, Checking Speed of Cave Growth, may only be used to illustrate a story about the research described in the accompanying news release, Cave Reveals Southwest's Abrupt Climate Swings During Ice Age.
Related news release: Cave reveals Southwest's abrupt climate swings during Ice Age