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  1. Erik Abranson refraction on Horizon.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Abranson, Christian-Erik; Nova Expedition; Argo (Ship); Abranson, Chr, tian-Erik
    • Date: 1967
    • Topic: Seismic profiling; Submarine geology; Oceanographers; Explosives
    • Format: image
  2. "Breaking powder" George W. Hohnhaus and Clement G. Chase on R?V Argo on Nova Expedition, 1967. On a seismic station the explosive charges are small when the ships are close together, but get bigger as the shooting ship moves away. Then the shooters stop and the listening ship becomes the shooter and vice versa.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Abranson, Christian-Erik; Argo (Ship); Nova Expedition; Hohnhaus, George; Chase, Clement G.
    • Date: 1967
    • Topic: Seismic profiling; Explosives; Submarine geology
    • Format: image
  3. Argo exchanging seismic records. People on the two ships photograph each other and shout friendly insults as though they had been separated for months instead of days.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Abranson, Christian-Erik; Nova Expedition; Argo (Ship)
    • Date: 1967
    • Topic: Seismic profiling; Oceanographic research ships
    • Format: image