Oceanography 1951 



Using a chain dredge to obtain rock samples 

 from the sides of submarine canyons. 



1,^ 



«/ 





\ 



Scrippt Institution of Oceanography 



Preparing to lower a sampling bottle to obtain 



data on the temperature and salinity at 



great depths. 



Woods Hole Otcanographic Institution. 

 Hauling a trawl for exploratory fishing at mid-depth off the New England coast. 



