Figure 7 . ( ' Cont inued ) 



(C) Sonar target tethered to deadman , and hydro- 

 phone mounted on pipe similar to base sections of 

 thermistor array. Similar installations off 

 San Dieao, California, have proved completely 



sat i s f act o ry. 



d e admen 

 ba; 

 la m o . 



oved completely 



(D) Time-lapse camera and photographic light 

 mounted on jetted- in pipes. Projected installa- 

 tion will be used in studies of wave scouring 

 associated with mines. 



22 



