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Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, Jr., J.H., Zink, L.L., Chase, T.E., Wong, F.L., Gann, J.T., and Dartnell, P., 1995, Final report: acoustic mapping of dredged material disposal sites and deposits in Mamala Bay, Honolulu, Hawaii: U.S. Geological Survey Open-file Report 95-17.
Figure 20. HighÐresolution 3.5ÐkHz profile from line 6, west of the South Oahu disposal site. Note the diffraction patterns that typify profiles collected over areas characterized by bedforms. Note also the change in seafloor reflectivity near the left (west) side of the profile, resulting from a gain change in the profiling and recording system.

fig 20

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