3.01: Geologic History
3.02: Geologic History: Steno's Principles
3.03: Geologic History: Fossil Succession
3.04: Geologic History: Linking Past and Present
3.05 & 3.06: Geologic History: Rates of Geological Processes
3.08 & 3.10: Fossils & Index Fossils
3.11 & 3.12: Earth's Age - Journey Through Geologic Time