Subject:  07/95 A River of Mud
Author:  SCIENTIFIC AMERICAN
Uploaded By:  CHansen598
Date:  6/6/1995

File:  07Cit11.txt (1998 bytes) 
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From the July 1995 issue of SCIENTIFIC AMERICAN

Science and the Citizen

A River (of Mud) Still Runs Through It

Four years ago Mount Pinatubo in the Philippines awoke from six centuries of slumber, sending a mass of volcanic material skyward