| Title | Comment | Keywords |
|---|---|---|
| Vibra-seis trucks | 07:41 - 08:12 (00:31) / 0.6 MB | "Stephen M. Scott", "reflection seismology", geophone, "Vibra-seis truck" |
| Seismic Waves | 05:00 - 06:15 (01:15) / 1.8 MB | "Stephen Scott", "seismic wave", oil, "Vibra-seis truck", drilling, "electronic receiver", geophone, "reflection seismogram", subsurface, image |