Random triples
| Subject | Object |
|---|---|
| gptkb:Niagara_Falls_waterfall | ~1 foot/year (historically) |
| gptkb:Niagara_Falls_(waterfalls) | about 1 foot per year (historically) |
| gptkb:Niagara_Falls_(waterfall) | about 1 foot per year (historically) |
| gptkb:Calvert_Cliffs | gptkb:fire |
| gptkb:Seven_Sisters_Cliffs | about 30-40 cm per year |
| gptkb:Byōbugaura_Cliffs | high |