Random triples
| Subject | Object |
|---|---|
| gptkb:Tualatin_River | urban runoff |
| gptkb:San_Gabriel_River | urban runoff |
| gptkb:San_Gabriel_River | agricultural runoff |
| gptkb:Tualatin_River | agricultural runoff |
| gptkb:San_Gabriel_River | industrial discharge |
| gptkb:Samarinda's_Mahakam_River | industrial waste |