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Region
- Columbia River3
- CaliforniaSan Francisco Bay2
- Chattahoochee River Watershed2
- IdahoIdaho National Laboratory Region2
- Lower Columbia River (Or. and Wash.)2
- NevadaNye County2
- NevadaYucca Mountain2
- New Jersey2
- TexasBrazos River2
- TexasBrazos River Watershed2
- AlabamaBirmingham1
- Arkansas1
- CaliforniaPalo Alto1
- CaliforniaPalo Alto Region1
- Colorado1
- Colorado River Watershed (Colo.-Mexico)1
- ColoradoSummit County1
- ColoradoYampa River1
- Columbia River Watershed1
- ConnecticutAshford1