1. Yellowstone Geysers and the People Who Watch Them

2. Necessary Conditions for a Good Geyser Abundant Supply of Water Sufficient Heat Source Special Underground Plumbing Interested Observers

3. Water Supply Heat Source Windows into the Earth, Figure 4.5

4. Special Plumbing Earth’s Dynamic Systems, Figure 13.11

5. How a Geyser Works Earth’s Dynamic Systems, Figure 13.11

6. Lone Star Geyser

7. Old Faithful

8. Kinds of Observers Cute Intelligent Dumbfounded

9. Lone Star Geyser Watchers

10. “Outstanding” Geyser Watcher

11. Ear Spring Geyser Watchers

12. Old Faithful

13. Help a Geyser (to be a good one) If you can’t be a cute or an intelligent geyser watcher, at least be dumbfounded.