1. Odgaard vane on the Metica River, Meta, Colombia.

2. Rachichuela Wash, Lambayeque, Peru.

3. Sedimentation at tail of Tinajones reservoir, Lambayeque, Peru.

4. Longitudinal profile, El Barbon-Guadalupe Creek, Baja California, Mexico.

5. Deposition of large boulders on the sides of the Snake River Canyon, Idaho, downstream of Pocatello (Google Earth®).

6. Deposition of large boulders on the sides of the Snake River Canyon, Idaho, downstream of Pocatello (Jason Abbott, Panoramio).

7. Birds Point-New Madrid floodway, in Eastern Missouri, immediately after the Mississippi-Ohio river flood of May 2011.

8. Agriculture on hillslopes near Cajamarca, Peru.

9. Atriculture on the hillslopes of the Moyan watershed, Lambayeque-Cajamarca, Peru.

10. Confluence of the Rio Negro and the Amazon River, near Manaus, Brazil.

11. Landscape erosion in Pirai river basin, Bolivia (1989)

12. Highly dissected hill in the Mixteca Alta, Oaxaca, Mexico (1999).

13. Incised gully at Dotta Canyon, in the Feather river watershed, Northern California (1989)..

14. The Mohave river upstream of Indian Trail, near Helendale, California.

15. Rio Suchiate, border between Mexico and Guatemala.

16. Bank erosion on the Rio Apa, on the border between Brazil and Paraguay (1992).

17. Colluvial cone near Chavin, Ancash, Peru (2003).

18. Agriculture on the slopes of the Moyán watershed, Lambayeque, Peru.

19. Only remaining palm tree at site of massive slide in Yungay, Peru, on May 31, 1970. (2009).

20. Large beaver dam in Trout Creek watershed, in Western Colorado (1989).

21. Gully developed during 1992 flood in Sierra Juarez, Baja California (2002).

22. Bank erosion on the banks of the Rio Apa, Brazil (1992).

23. Accelerated erosion in Santa Cruz Tayata, Oaxaca, Mexico.

24. The effect of slope and treatment on runoff and erosion,

25. The effect of root structure on runoff and erosion.

26. Constructed microrelief to control erosion in the Wasatch Mountains, Utah.

27. Check dams built with vegetation.

28. Check dams built with gravel.

29. One of 133 check dams built by the U.S. Forest Service in Alkali Creek, Colorado in the 1960s.

30. Mojave river near Hellendale, California (March 2005).

31. Failure of ford at Indian Trail, Mojave river near Hellendale, California (March 2005).

32. Failure of ford at Indian Trail, Mojave river near Hellendale, California (March 2005).

33. Mojave river at Hellendale, California (March 2005).

34. Upper Paraguay river at Fechos dos Morros (Closing of the Hills).