10 20 28/1 



FEBRUARY 



10 20 



MARCH 



30/ 



10 20 



APRIL 



Figure 22. — JOINT-I and CINECA operations off northwest Africa during spring 1974. 



30/1 10 20 30/1 



MAY 

 X - INTERCOMPARISON OF DATA 



14 - 



15 



16 



77 76 75 



Figure 23. — JOINT-ll area and hydrography lines A-D. which form the JOINT-II research grid. 



44 



74 



