Random triples
| Subject | Object |
|---|---|
| gptkb:Severn_Barrage | conducted by various organizations |
| gptkb:Ponte_di_Messina_(proposed) | conducted |
| gptkb:Messina_Strait_Bridge | conducted |
| gptkb:ponds | conducted |
| gptkb:Susitna-Watana_Hydroelectric_Project | completed |
| gptkb:Stretto_di_Messina_Bridge | conducted |
| gptkb:Sakhalin_Bridge | conducted prior to proposal |