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Region
- Louisiana3
- Washington (State)3
- LouisianaLafayette Parish2
- Nevada2
- TennesseeMemphis Region2
- UtahSalt Lake County2
- ArizonaTucson1
- ColoradoFrench Gulch1
- ColoradoFrench Gulch (Summit County)1
- Eagle Valley (Carson City, Nev.)1
- IdahoPayette River Watershed1
- Illinois1
- IllinoisAmerican Bottom1
- IllinoisEast Saint Louis1
- KansasWichita1
- Massachusetts1
- MichiganBay County1
- MinnesotaRamsey County1
- Mississippi1
- NevadaCarson River Watershed1