Scope and Contents ALVIN 640-641 Puerto Rico 76 Reel 1. The runtime for this video is 17m 04s. Alvin dive 640 took place on April 05, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 640 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'. Alvin dive 641 took place on April 06, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV...

Scope and Contents

ALVIN 640 A Puerto Rico 1976 dive 640 no sound reel 02. The runtime for this video is 17m 20s. Alvin dive 640 took place on April 05, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 640 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents

ALVIN 640 B Puerto Rico 1976 dive 640 no sound reel 01. The runtime for this video is 20m 18s. Alvin dive 640 took place on April 05, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 640 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents

ALVIN 640 C PR 76 640. The runtime for this video is 32m 39s. Alvin dive 640 took place on April 05, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 640 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents

ALVIN 641 A Puerto Rico 1976 dive 641 no sound reel 04. The runtime for this video is 13m 54s. Alvin dive 641 took place on April 06, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 641 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents

ALVIN 641 B Puerto Rico 1976 dive 641 no sound reel 03. The runtime for this video is 16m 00s. Alvin dive 641 took place on April 06, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 641 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents

ALVIN 641 C PR 76 641. The runtime for this video is 32m 44s. Alvin dive 641 took place on April 06, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of Mona Passage. The HOV reached a depth of 641 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents ALVIN 642-644 Puerto Rico 76 Reel 2. The runtime for this video is 14m 58s. Alvin dive 642 took place on April 07, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of North Of Mona Passage. The HOV reached a depth of 642 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'. Alvin dive 643 took place on April 08, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area...

Scope and Contents

ALVIN 642 D Puerto Rico 1976 dive 642 no sound reel 06. The runtime for this video is 20m 47s. Alvin dive 642 took place on April 07, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of North Of Mona Passage. The HOV reached a depth of 642 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.

Scope and Contents

ALVIN 642 E Puerto Rico 1976 dive 642 no sound reel 05. The runtime for this video is 27m 01s. Alvin dive 642 took place on April 07, 1976 during voyage LU-83. The Chief Scientist was B. Heezen in the operating area of North Of Mona Passage. The HOV reached a depth of 642 meters. The purpose was described as 'GEOLOGY' and the sponsor as 'UNOLS'.