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      At Ga port, river respirators to help fish breathe


      SAVANNAH, Ga. (AP) - Plans to deepen the Savannah harbor include



      a costly proposal to



      ensure fish can still breathe by using a dozen



      machines to inject oxygen into the river.


      In its final report on the harbor deepening released this month,



      the Army Corps of Engineers



      estimates it would cost taxpayers $70



      million to get the 20-foot-tall oxygen machines set up,



      plus



      another $1.2 million each year to maintain and operate them.


      The machines would mechanically make up for a small loss of



      oxygen at the river bottom



      where fish, worms and even bacteria need



      it to breathe. The same technology is used in lakes



      and reservoirs



      across the U.S., but critics say using the machines to justify



      inflicting damage



      to the river is going too far.


      (Copyright 2012 by The Associated Press. All Rights Reserved.)

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