Shots of man pulling small cannon up from water. CU of cannon. Underwater shots of scuba divers finding cannon, tieing it up, signalling tender man to pull it up. Brief TRAVELLING SHOT over pieces of deck planking on sea bottom. Shot of divers swimming towards camera. Shot of large cannon covered with marine plants. Various shots of divers picking small artifacts from sea bottom, of divers looking about, swimming back and forth. TRAVELLING SHOTs of sea bottom, various small objects.