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- LouisianaPointe CoupeĢe Parish2
- American SamoaTutuila Island1
- ArizonaPima County1
- Bienville Parish (La.)1
- Cumberland County (N.C.)1
- FloridaMartin County1
- FloridaPalm Beach County1
- FloridaSaint Lucie County1
- Lockport Group1
- LouisianaBienville Parish1
- LouisianaBossier Parish1
- LouisianaDe Soto Parish1
- LouisianaWest Feliciana Parish1
- MassachusettsGrove Pond1
- MassachusettsMiddlesex County1
- MassachusettsPlow Shop Pond1
- Monument Valley (Ariz. and Utah)1
- NevadaHumboldt River Watershed1
- North CarolinaBladen County1
- North CarolinaCumberland County1