Dr. Harris B. Stewart, Chief Oceanographer of the Coast and Geodetic Survey, and chief scientist aboard the USC&GS Ship PIONEER during the International Indian Ocean Expedition, discussing depth sounding instruments with the press aboard the Coast and Geodetic Survey Ship PIONEER at Colombo, Ceylon.

Image ID: ship3189, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photo Date: 1964 May 20
Photographer: Archival Photography by Steve Nicklas, NOS, NGS


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