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Indiana Dunes National LakeshoreSnow covered ice along the bare sand of Lake Michigan
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Indiana Dunes National Lakeshore
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a sea of tall grasses and catails in a marsh setting and trees in the background  

Did You Know?
Cowles Bog is not a true bog but rather a fen because it has an underground water source. This water source has contact with limestone bedrock, making the fen’s water slightly alkaline. Indiana Dunes National Lakeshore is restoring a portion of this fen.

Last Updated: September 21, 2006 at 15:09 EST