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- British Columbia1
- ColoradoGunnison River1
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- HawaiiHawaii Island1
- Iowa1
- IowaBoone County1
- IowaStory County1
- Kilauea Volcano (Hawaii)1
- Maryland1
- Mississippi1
- Missouri1
- Missouri River1
- NebraskaBuffalo County1
- NebraskaPlatte River Watershed1
- NevadaDouglas County1
- New York (State)Cortland County1
- South Dakota1