Random triples
| Subject | Object |
|---|---|
| gptkb:Fossils_of_North_America | gptkb:Precambrian |
| gptkb:Gray_Foy:_Drawings_1941–1975_(exhibition) | 1941–1975 |
| gptkb:Stage_10_of_the_Cambrian | approximately 489 to 485.4 million years ago |
| gptkb:Fossils_of_North_America | Mesozoic |
| gptkb:Fossils_of_North_America | Paleozoic |
| gptkb:Fossils_of_North_America | Cenozoic |