MadDawg247 MadDawg247
  • 20-11-2017
  • Biology
contestada

What scientist invented echo-sounding devices for mapping the ocean floor?

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supportedbypitbulls
supportedbypitbulls supportedbypitbulls
  • 20-11-2017
I believe that would be Henry Hess.
Hope it helps!
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