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Image Number D1106-20 Ecologist Brett Dumbauld shovels estuarine sediment from a metal core into a sieve while technicians Cara Fritz and Roy Hildenbrand collect burrowing shrimp to measure and examine the effects of these pests on the oyster aquaculture industry.  Photo by Stephen Ausmus.  640 pixels wide: (d1106-20.jpg)   Please visit our Image Gallery


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