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mastodont: Oak Openings #3, Moraine Hills State Park, McHenry County, Illinois
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mastodont: Oak Openings #4, Moraine Hills State Park, McHenry County, Illinois
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mastodont: Oak Openings #1, Moraine Hills State Park, McHenry County, Illinois
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mastodont: Yellowhead Marsh, Moraine Hills State Park, McHenry County, Illinois
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mastodont: Oak Openings #2, Moraine Hills State Park, McHenry County, Illinois
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mastodont: Opossum Run Marsh, Moraine Hills State Park, Mc Henry County, IL
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mastodont: Lake Defiance, Moraine Hills State Park, Mc Henry County, IL
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mastodont: Emerging Garter Snake, Moraine Hills State Park, Mc Henry County, IL