Great Black Swamp region (historical)

E975566 UNEXPLORED

The Great Black Swamp region was a vast, once-impenetrable wetland in northwest Ohio and surrounding areas that was largely drained in the 19th century to create fertile agricultural land.

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Full triples — surface form annotated when it differs from this entity's canonical label.

Defiance County, Ohio locatedIn Great Black Swamp region (historical)
Paulding County, Ohio locatedIn Great Black Swamp region (historical)
this entity surface form: Great Black Swamp region