PRECISION DEPTH RECORDER

Mining

Source: compiled by the editor from various references; see credits.

V. Ralph Sobieralski checking Precision Depth Recorder On PIONEER during Kwajalein Island cable route survey. Credit: Coast & Geodetic Survey Historical Image Collection.

Precision depth recorder record of small seamount on side of Easter Island Acquired by Scripps Institution of Oceanography Record from ship THOMAS G. WASHINGTON. Credit: Coast & Geodetic Survey Historical Image Collection.

Robert S. Dietz looks on as Robert F. Dill monitors precision depth recorder OCEANOGRAPHER around the world cruise. Credit: Coast & Geodetic Survey Historical Image Collection.

Detail of Gulf Stream thermal wedge Detail of Precision Depth Recorder record showing artifact Observed on EXPLORER. Credit: Coast & Geodetic Survey Historical Image Collection.

Source: pictures compiled by the editor from various references; see picture credits.

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