Figure 8. Diagram of monuments used for survey control 



at Humboldt Bay 15 



Figure 9. Typical target established on dolosse at Humboldt Bay 17 



Figure 1 0. Example of a dolos with three targets established 17 



Figure 1 1 . Locations of targeted armor units on north jetty 18 



Figure 12. Locations of targeted armor units on south jetty 19 



Figure 1 3 . Stereo pair photographs for a portion of the north jetty 21 



Figure 14. Stereo pair photographs for a portion of the south jetty 22 



Figure 15. Orthophoto for a portion of the north jetty 24 



Figure 1 6. Representative targeted dolos armor unit positions 



relative to x, y, and z axes 25 



Figure 17. Dolos with angled, mid-shank break 27 



Figure 18. Dolos with straight, mid-shank break 27 



Figure 19. Dolos with straight fluke-shank break 28 



Figure 20. Dolos with straight, shank-fluke break 28 



Figure 2 1 . Approximate locations of broken/cracked dolos armor 



units on the north jetty 29 



Figure 22. Approximate locations of broken/cracked dolos armor 



units on the south jetty 30 



