THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

Adrift at sea, cards track tidal flow

By Carolyn Johnson
Globe Staff / June 29, 2006

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Small, yellow, wood cards will begin washing up on area beaches and river banks over the next few weeks as researchers deploy a ``message-in-a-bottle" approach to track the complicated swirl of eddies, tides, and currents that flow up and down the coast, spreading invasive species, red tide, and pollution. (Full article: 957 words)

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