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Indiana

Blue River Project

Blue River’s cool, spring-fed waters drop in elevation from the western slope of the Knobs in Floyd and Clark Counties to its confluence with the Ohio River in Crawford County. The Blue River watershed encompasses portions of seven southern Indiana counties and is defined by the abundant limestone here. This limestone not only forms the caves that feed Blue River, but also supports the diversity of plant life found in the Blue River basin.

Rare species such as Short’s goldenrod, French’s shooting star, Appalachian bugbane and crested coralroot orchids are just a few of the special plants that this landscape supports.



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