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U. S. Fish and Wildlife Service - Northeast Region: Great Marsh Yellow Flowers
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U. S. Fish and Wildlife Service - Northeast Region: Great Marsh
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U. S. Fish and Wildlife Service - Northeast Region: Forest
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U. S. Fish and Wildlife Service - Northeast Region: Potomac River at sunset
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U. S. Fish and Wildlife Service - Northeast Region: White-tailed deer
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U. S. Fish and Wildlife Service - Northeast Region: Wood duck banding
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U. S. Fish and Wildlife Service - Northeast Region: Great blue heron at Mason Neck National Wildlife Refuge.