1. Brief Synopsis of Project Hickahala Creek Hickahala Creek Pipeline Protection Project at milepost 347.64 Tate County, Senatobia, MS Designed by Submar, Inc and River Research and Design, Inc. Installed, & Monitored by: Submar Incorporated 805 Dunn St., Houma, LA www.R2D-ENG.com | www.Submar.com

2. Hickahala Creek Pipeline Protection Project at milepost 347.64 Tate County, Senatobia, MS (Looking across and downstream in this view)

3. Looking Upstream - September 2001 - Pipeline Exposed 10 Feet

4. Looking Upstream - September 2002 - Pipeline Exposed 25 Feet

5. Looking Upstream - March 2003 - Pipeline Exposed 50 Feet

6. Looking Downstream - March 2003 - Pipeline Exposed 50 Feet Main stream force & thalweg of stream aimed underneath exposed pipe; note other pipeline exposed.

7. Looking Upstream - March 2003 - Long Straight Reach Thornton Creek (tributary stream; bottom left) feeding into Hickahala Creek (top right)

8. Looking Upstream - April 2003 “and the news is not good"

9. Looking Upstream - the entire stream is trying to flow underneath the pipeline

10. Looking Downstream (standing Upstream) - August 2003 Typical Tourist on Safari in Mississippi

11. Note Pipe Tie-Down Structure

12. July 2003 After May Flood (overbank, picture looking away from stream) Floodwaters Carry Sand 1000 Feet into Farmer's Field

13. August 2003 - Aerial Photos - *Note* Upstream Straight Stretch (bottom right) Pipe Exposed on Overbank, Large Sand Splay in Farmers Field (top right)

14. Looking Downstream - April 2003 Pipe is Vulnerable to Impact from the Next Large Floating Tree. Bank is a mess (technical term)

15. September 5th, 2003 Portable Cofferdams used to Dewater the site for Pipeline Recoating; The Green Portion of the Pipeline is New, Pipe was Cut, and New Section Installed at a Lower Elevation

16. Pre-tested Pipe

17. Hickahala Creek Conceptual Drawings - Total Mats (182)

18. Looking Upstream into Tributary Widening Channel to Accommodate LPSTP

19. The Key Trench is a Thing of Beauty!

20. From Key Looking Downstream in Tributary Toward Hickahala Creek - September 17th, 2003 - Fresh LPSTP

21. Looking Upstream into Tributary Longitudinal Peaked Stone Toe Protection (LPSTP)

22. LPSTP Under Construction Looking Downstream - September 17th, 2003

23. September 17th, 2003 Mat Installation

24. September 17th, 2003 Installing Mat

25. Looking Across and Upstream - September 22nd, 2003 High Water Event During Construction

26. High Water Event During Construction September 22nd, 2003

27. September 26th, 2003 *Note* Bank Paving (left), LPSTP (5 tons/ft; middle), Key (right)

28. September 26th, 2003 *Note* Bank Paving (left), & LPSPT (right)

29. September 27th, 2003 - Mat Installation Complete

30. Looking Upstream - September 30th 2003 Installation Complete

31. Project Completed

32. Looking Upstream - November 24th, 2003 Floodwaters Crested 1 Foot Below Top of Levee

33. Before

34. After

35. Looking Upstream - February 5th 2004 - Flood

36. February 5th, 2004 Flood Flow Left to Right