- cambrian.pdf (1.1 MiB)
- carboniferous.pdf (988.6 KiB)
- create_your_own_timewalk.pdf (3.5 MiB)
- cretaceous.pdf (1.4 MiB)
- devonian.pdf (1.1 MiB)
- eoarchean.pdf (1.8 MiB)
- hadean.pdf (468.1 KiB)
- intro.pdf (660.3 KiB)
- jurassic.pdf (1.3 MiB)
- mesoarchean.pdf (1.8 MiB)
- mesoproterozoic.pdf (1.4 MiB)
- neoarchean.pdf (1.7 MiB)
- neogene.pdf (1 MiB)
- neoproterozoic.pdf (1.2 MiB)
- ordovician.pdf (960.4 KiB)
- paleoarchean.pdf (1.8 MiB)
- paleogene.pdf (1 MiB)
- paleoproterozoic.pdf (2.2 MiB)
- permian.pdf (1.1 MiB)
- silurian.pdf (978.1 KiB)
- triassic.pdf (855.6 KiB)