PHOTO 3. Modified Piston Corer 



for gamma-radiation analysis of the surface layers. A total of 12,000 

 miles of bathymetric profiles was recorded in the Kara Sea and adjoining 

 sea areas. These records will be used to revise present charts of 

 the area. Subbottom configuration was plotted along much of the ship's 

 track. The core and subbottom profiling data will be discussed in 



