1. Insert image in the space below, resize image to fill space as much as possible. Natural & man-made fish passage barriers

2. Insert image in the space below, resize image to fill space as much as possible. A dike

3. Insert image in the space below, resize image to fill space as much as possible. River with high suspended load http://uregina.ca/~sauchyn/geog323/381.jpg

4. Insert image in the space below, resize image to fill space as much as possible. Hillslope Rilling – Rottingdean, UK http://soilerosion.net/image/rottingdean_erosion.jpg

5. Insert image in the space below, resize image to fill space as much as possible. Gravel restoration project in gravel-deficient river – American River, California http://fishwithjd.com/wp-content/uploads/2013/09/20130921-082212.jpg

6. Insert image in the space below, resize image to fill space as much as possible. Logging road causing excessive sediment influx – Wilson River, Tillamook State Forest http://crag.org/wp-content/uploads/2008/11/North-Fork-Road-2b.jpg

7. Insert image in the space below, resize image to fill space as much as possible. Excessive bank erosion, causing house damage – Matanuska River, Alaska

8. Insert image in the space below, resize image to fill space as much as possible. Splash dam http://www.facstaff.bucknell.edu/brh010/research/stream_restoration.html

9. Insert image in the space below, resize image to fill space as much as possible. Splash dam http://www.bluebook.state.or.us/facts/scenic/work/logsplash.htm

10. Insert image in the space below, resize image to fill space as much as possible. Splash dam http://commons.wikimedia.org/wiki/File:Splash_Dam_3.jpg

11. Insert image in the space below, resize image to fill space as much as possible. photography of in-channel gravel mining operation http://www.yolocounty.org/general-government/general-government-departments/county-administrator/county-administrator- divisions/natural-resources/the-cache-creek-area-plan-ccap-/the-off-channel-mining-plan-ocmp-

12. Insert image in the space below, resize image to fill space as much as possible. photography of in-channel gravel mining operation http://kansasriver.org/raising-fees-for-sand-dredgers/

13. Insert image in the space below, resize image to fill space as much as possible. photography of in-channel gravel mining operation http://ternandplover.unl.edu/info/sandgravelmining.asp

14. Insert image in the space below, resize image to fill space as much as possible. River Meander / Washout – Uvas Creek, California: After restoration in Jan. 1996 / Project destruction in Jun. 1997, after storm flows http://www.wou.edu/las/physci/taylor/g407/restoration/wohl_etal_2005_restoration.pdf

15. Insert image in the space below, resize image to fill space as much as possible. Forms of Erosion: Surface erosion from road, Mass-wasting, Bank erosion

16. Insert image in the space below, resize image to fill space as much as possible. Erosion from poor road drainage