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Where have all the snuffbox mussels gone?

The clam is native to the St. Croix River but its numbers are drying up and the United States has now classified it as endangered. The snuffbox has disappeared from more than 60 percent of its original habitat. The Park Service hopes to restore it to the Mississippi in St. Paul.
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The clam is native to the St. Croix River but its numbers are drying up and the United States has now classified it as endangered. The snuffbox has disappeared from more than 60 percent of its original habitat. The Park Service hopes to restore it to the Mississippi in St. Paul.

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