1. Society of American Military Engineers Sacramento, CA October 27, 2009 45 Ranch River Bottom Enhancement South Fork Owyhee River, Idaho

3. Where in the World?

4. Site History Location? Location? Location?

12. The 45 Ranch

13. Ranch House Little Owyhee River South Fork Owyhee River South Fork Owyhee River N Defunct Irrigation Diversion Lower Ford Upper Ford Defunct Irrigation Ditch Access Road Existing Site Overview

14. 1952 River Alignment

15. Recent River Alignments 1952 1963 1973 1976 2007

16. Did That Create Problems?

17. Abandoned River Channels N Problem: Abandoned River Channels, Headcutting, Erosion Severe Headcutting and Bank Erosion

18. N Problem: Road Washout, Public Access Cut Off, Vandalism Access to 30,000 Acres of Public Land Dangerous Detour and Ranch Vandalism Western Road Washout

19. Problem: Lower Groundwater, Decreased Production, Decreased Habitat, Disrepair

20. N Problem: Irrigation Deficiencies Defunct Irrigation Diversion

21. Unirrigated Habitat N Leaky Irrigation Ditch Problem: Irrigation Deficiencies

22. Unirrigated Habitat N Problem: New Irrigation Pump Proves Ineffective Irrigation Pump

23. N Problem: Desiccated Fields and Habitat, Unproductive Ranch Dry Fields and Habitat

24. Solutions?

29. Recommended Plan Phases 1 and 2

30. Phase 1 Construction September – October, 2008

31. Diversion “Rapid” Before Construction

32. Diversion “Rapid” During Construction

33. Diversion “Rapid” During Construction

34. Diversion “Rapid” After Construction

35. Diversion “Rapid” Before & After Construction Before After

36. Pipe Installation Along Old Ditch

37. Western Road Repair Before During After After During

38. Old Airstrip Old Airstrip New Airstrip Old and New Airstrips Old Airstrip On Approach

39. Ranch And Meadow Overview Before Construction During Construction

40. Pond And Meadow Area Before Construction

41. Pond And Meadow Area During Construction

42. Pond Being Filled During Construction

43. 1 of 3 Pond Outlet Streams Meadow Area Before Habitat Berms Meadow Area During Construction

44. Meadow Area During Construction Habitat Berms Being Graded ~ 20 Habitat Berms D8 Dozer (for scale)

45. The Nature Conservancy Treats Weeds and Plants Seeds

46. Just Some of the Team

47. Special Thanks To: Charles Conn & Dennis Fitzpatrick (45 Ranch LLC) The Nature Conservancy Natural Resources Conservation Service Bureau of Land Management