Random triples
| Subject | Object |
|---|---|
| gptkb:Smallwood_Reservoir | approximately 6 months |
| gptkb:Great_Slave_Lake | 6 to 8 months |
| gptkb:Northern_Dvina_River | November to April |
| gptkb:Mendota_Lake | 4 months |
| gptkb:Khovsgol_Lake | 6 months |
| gptkb:Lake_Rautasaari | approximately 5 months |