Bronx middle school students volunteer their time in Bronx Park in New York

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Bronx middle school students volunteer their time in Bronx Park in New York on Tuesday, April 13, 2010. The students test the Bronx River's water quality measuring its specific gravity. (© Frances M. Roberts)

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Size: 5120px × 3401px
Location: new york ny usa north america
Photo credit: © Frances Roberts / Alamy / Afripics
License: Licensed
Model Released: No

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