Sonar survey documentation (Germany) - 1962

What do you see?

Help document Doc's Images so they can be more accessible to human readers and search engines.

  • write a comment »
  • add keyword tags »
  • Description and Keyword Tags
  • Comments

Description: (curated)

Two men hold up a sonar chart, in front of a 3-D cut-out display of a series of sea-bottom profiles, in Germany in 1962. (CC)

HEE-SC-01321

Keywords:

    Be the first to comment on this page!