. Biological sound scattering studies. Echo scattering layers. ooE toE OE rO loE cviE - 21 tE ro 40 = to <^£ - inE 00 c\JE f^ toE _ oE -E loE cvJE »i cvi E CM E to E - E ^1 in E ro E h- E - E 00 CM E CM ^1 (D E _ N E - E _ CM E - E lo E ro E CO ^ in E - E r!- E. 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 United States. Naval Oceanographic Office. Washington

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