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Spatial Coverage
- Russia (Federation)[remove]19
- Russian Far East (Russia)6
- Russian Far East.5
- Bering Strait Region4
- Bering Strait Region.4
- North America4
- North America.4
- Pacific Ocean4
- Pacific Coast (North America)3
- Pacific Coast.3
- Bering Sea.2
- Caucasus, Northern2
- Caucasus, Northern (Russia)2
- Caucasus, Northern.2
- Caucasus, South2
- Caucasus, South.2
- Moscow2
- Moscow.2
- Siberia, Eastern.2
- Soviet Union2
