Shows how geologists of today use selsmic surveys coordinated with land-based radar beacons to map the ocean floor, and how divers, using underwater television, probe for rock samples and prepare the way for drilling into charted gravel deposits to bring diamonds from under the sea

We digitized and uploaded this film from the A/V Geeks 16mm Archive. Email us at [email protected] if you have questions about the footage and are interested in using it in your project.