| Title | Comment | Keywords |
|---|---|---|
| Cross-Cutting Relationships | 10:13 - 10:39 (00:26) / 0.5 MB | "James Sadd", "Principle of Cross-cutting Relationships", "cross-cutting relationship" |
| Relative Age Sequence | 10:39 - 11:23 (00:44) / 0.6 MB | "Principle of Original Horizontality", "Principle of Superposition", "Principle of Cross-cutting Relationships", unconformity, "James Hutton" |