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High school student Donovan Zeh (holding red bucket) demonstrates flow of water through different buffer surfaces.
Photographer: Raymond BocDate posted: 7/17/07
Resolution: 573 x 378
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High school student Donovan Zeh (holding red bucket) demonstrates flow of water through different buffer surfaces. Photographer: Raymond BocDate posted: 7/17/07 Resolution: 573 x 378 12.jpg |
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