1. Deltas, Waterfalls, and Lakes

2. Deltas

3. Deltas, Greece

4. Inland Deltas

5. America’s Inland Delta

6. Waterfalls Resistant Ledge Niagara Victoria Hanging Valley Glacial: Yosemite Non-glacial: Angel

7. Angel Falls, Venezuela

8. Yosemite Falls, California

9. Niagara Falls

10. Evolution of Niagara Falls

12. Retreat of Niagara Falls

13. Lakes Limited Lifetime Thousands - Millions of Yr. How They Form: Grabens – Tahoe 1600' – Baikal 5600' – Tanganyika 4000' Scour – Great Lakes to 1300' – Great Slave L. 2000' – Lake Winnipeg Damming Tectonic - Lake Kioga Landslide - Spirit Lake Lava Flow - Clear Lake, California Glaciers - Lake Agazziz Delta - Lake Ponchartrain Small Lakes Volcanic Collapse - Crater Lake Sinkholes Kettle Ponds

14. Delta Dam: Lake Ponchartrain, Louisiana

15. Volcanic Dam: Clear Lake, California

16. Tectonic Dam: Lake Kioga, Uganda

17. How Lakes Die Eutrophication Infilling - Only Way to Destroy Very Deep Lakes Drainage at Outlet Climate Change