Bluff Spring Fen - Forest Preserves of Cook County

A lush valley of emerald green, Bluff Spring Fen is a rare gem, a mix of prairie, woodlands, ponds, streams and wetlands—including the rare ecosystem that gi…

Bluff Spring FenElgin, Illinois - ChicagoNatureNOW!

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Fen ecosystem in Elgin a treat and a treasure

Gossamer Tapestry: Bluff Spring Fen

Bluff Spring Fen: A Fen-tastic Nature Experience in Far Western Cook County – Nature in Chicagoland

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Bluff Spring Fen - Forest Preserves of Cook County

Hiking in Northeast Illinois

Bluff Spring Fen Nature Preserve - natureofthings

Final GCA for Bluff Springs Fen Nature Preserve.

Excellence in Ecological Restoration Program, Chicago Wilderness

Chicago's top outdoor spaces

Cook County Forest Preserve photo contest now open - The Lansing Journal

Spears WoodsWillow Springs, Illinois - ChicagoNatureNOW!

FY 2007 Budget - Forest Preserve District of Cook County