FIGURE 1. Present drainage of the Danbury region 13
2. Geological map of Still River valley 17
3. Profiles of present and preglacial Rocky River 19
4. Preglacial course of Rocky-Still River 21
5. Diagram showing lowest rock levels in Rocky River
valley 24
6. Course of Still River 29
7. Map of Umpog Swamp and vicinity 39
8. Profiles of rivers 41
9. Early Stage of Rocky-Still River 49
10. Five suggested outlets of Housatonic River 51