F1. Location map.
F2. 3.5-kHz receiver recording.
F3. 4-kHz experiment schematic.
F4. VIT frame.
F5. Deep-source records and digital plot.
F6. Direct water wave and waveform data.
F7. Profile stacks.
T1. Reflection sequence interpretation.
T2. Insonified seafloor area.
T3. Relative amplitude changes.
Figures
F1-F7
Tables T1-T3
