Sonic Waveform Images file dictionary for ODP Leg 120 - Hole 750A
120-750A_l.gif = Sonic Waveforms Image - Lower Section
120-750A_mid.gif = Sonic Waveforms Image - Middle Section
120-750A_r.gif = Sonic Waveforms Image - Repeat Pass
120-750A_u.gif = Sonic Waveforms Image - Upper Section