. Deep-ocean biodeterioration of materials. Materials; Marine sediments. Figure 22. Closeup view of Figure 21 showing borers and borer damage. 24. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Muraoka, James S; Naval Civil Engineering Laboratory (Port Hueneme, Calif. ). Port Hueneme, Calif. : U. S. Naval Civil Engineering Laboratory

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