File:Albert Taylor sounding equipment in Antarctica.JPG

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English: Albert H. Taylor, Naval Research Laboratory, experiments with echo sounding equipment to determine speed at which sound travels through ice. This photo was taken at Little America IV, during Operation Highjump (1946-1947).
Date Austral summer 1946-1947
Source http://www.usap.gov/; exact source
Author Photograph by: US Navy, National Science Foundation
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Public domain This image is a work of a National Science Foundation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current16:35, 23 April 2011Thumbnail for version as of 16:35, 23 April 20112,020 × 2,312 (1.67 MB)High Contrast (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|Albert H. Taylor, Naval Research Laboratory, experiments with echo sounding equipment to determine speed at which sound travels through ice. This photo was taken at Little America IV, during Operati

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