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Figure AF7. Single-channel seismic (SCS) Line 3 from Cruise KNOX-02RR, proposed Site SPG-3A. SP = shotpoint, WD = water depth, MORB = mid-ocean-ridge basalt, MCS = multichannel seismic, BP = band-pass, AGC = automatic gain control, VE = vertical exaggeration. B. Portion of 3.5 Hz seismic Line 3. C. Survey track chart, proposed Site SPG-3A (seismic Lines 1–3). Start of line (sol) and end of line (eol) indicated with time (z) and shotpoint (sp). Tick marks are every 10 min (50 shots); selected tick marks labeled with shotpoint. Red dot = proposed Site SPG-3A.

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