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Creator
- Yugoslavia 12
- Romania 9
- Albania 2
- Austria 1
- Bosnia and Herzegovina 1
- Bulgaria 1
- Croatia 1
- Czech Republic 1
- Greece 1
- Hungary 1
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Region
- Montenegro 14
- Serbia 14
- Macedonia 13
- Bosnia and Herzegovina 12
- Republic of Croatia 12
- Slovenia 12
- Romania 9
- Albania 2
- Austria 1
- Bulgaria 1
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Water Basin
- Danube River >> Romania 13
- Danube 13
- Drin 1
- Drino 1
- Lake Prespa 1
- Lake Prespa 1
License
- Creative Commons: Public Domain Mark 1.0 14
Institution
- Oregon State University 14