What is the Volume of the 1992 Eruption of Cerro Negro Volcano, Nicaragua?
Tephra Volume module Judy's edits 12/19/07
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Dec19 07
Last Modified: 2007-12-19 13:33:21
https://serc.carleton.edu/download/files/9267/ssac-pv2007.qe522.cc2.8-stdnt.v3.ppt