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Region
- Louisiana2
- UtahTooele County2
- Arkansas1
- CaliforniaMojave River Watershed1
- CaliforniaSan Bernardino County1
- Delaware1
- FloridaMiami-Dade County1
- Marshall IslandsKwajalein Atoll1
- Marshall IslandsKwajalein Island1
- Miami-Dade County (Fla.)1
- Mississippi River Valley1
- Namur Island (Marshall Islands)1
- NebraskaBuffalo County1
- NebraskaPlatte River Watershed1
- New HampshirePemigewasset River Watershed1
- New Jersey1
- PennsylvaniaPhiladelphia Region1
- Puerto Rico1
- Puerto RicoManatí Region1
- Puerto RicoVega Baja Region1