Metcalfe (front) and Tizzard (back) giving the installed parametric sonar system a final check.
Checking the Newly Installed Sonar System
Image courtesy of Paleolandscapes and the ca. 8,000 BP Shoreline of the Gulf of Mexico Outer Continental Shelf. Download larger version (jpg, 5.8 MB).

Metcalfe (front) and Tizzard (back) giving the installed parametric sonar system a final check.

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