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mastodont: Marsh By Oakton Community College, Cook County, Illinois
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mastodont: Marsh By Oakton Community College, Cook County, Illinois
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mastodont: Winter Logjams On The North Branch, Bunker Hill Woods, Cook County, Illinois
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mastodont: Salt Creek Woods Nature Preserve, Cook County, Illinois
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mastodont: Tracks across a small wetland, Salt Creek Woods Nature Preserve, Cook County, Illlinois
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mastodont: Salt Creek Woods Nature Preserve, Cook County, Illinois
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mastodont: Penny Road Pond, Cook County, Illinois
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mastodont: Spring Creek Valley Nature Preserve, Cook County, Illinois
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mastodont: Palatine Marsh, Crabtree Nature Preserve, Cook County, Illinois
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mastodont: Beck Lake Woods, Cook County, Illinois
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mastodont: Crawdad Slough, Palos Preserves, Cook County, Illinois
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mastodont: Long John Slough, Palos Preserves, Cook County, Illinois
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mastodont: Long John Slough, Palos Preserves, Cook County, Illinois
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mastodont: Prairie Trilliums, Mary Mix McDonald Woods, Chicago Botanic Gardens
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mastodont: Wild Geraniums-Prairie Trilliums, Mary Mix McDonald Woods, Chicago Botanic Gardens
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mastodont: Palatine Marsh, Crabtree Nature Center, Barrington, IL (with mods)
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mastodont: Iroquois Woods, Park Ridge, IL
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mastodont: Iroquois Woods, Park Ridge, IL
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mastodont: East Lake Ave. Woods
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mastodont: Dam No. 4 Woods, Park Ridge, IL
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mastodont: Dam No. 4 Woods, Cook County, Illinois
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mastodont: River Trails, Northbrook, IL
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mastodont: River Trails, Northbrook, IL
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mastodont: Palatine Marsh, Crabtree Nature Center, Barrington, IL
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mastodont: Busse Lake reservoir (Salt Creek), Busse Woods, Cook County, Illinois
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mastodont: Kloempken Prairie, Cook County, Illinois
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mastodont: Wolf Road Prairie, Cook County, Illinois
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mastodont: Miami Woods Prairie, Cook County, Illinois
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mastodont: Miami Woods Prairie, Cook County, Illinois
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mastodont: Spiderwebs near Penny Road Pond, Cook County, Illinois