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< Beachapedia:Factoid‎ | 2001‎ | 10

Navy Sonar Injures Marine Mammals

" March 2000, 17 marine mammals of various species stranded at several locations in the Northern Bahamas -- the same day five Navy ships were in the area using mid-frequency active sonar, which is far less powerful than their [planned] low-frequency sonar system. A report from the National Oceanic and Atmospheric Administration concludes that "injuries to the six beached whale heads were all consistent with an intense acoustic or pressure event ... in particular all had some hemorrhages in or around the ears."" (Excerpt from "The Whales Are Crying," by Diana Mann, in the The Southern Sierran, published by the Sierra Club, March 2001, pg. 3)

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