FIGURE 30.— USGS 1971 Vnitedgeo I surveys: 

 Leg 6, Liberia to Puerto Rico. 



ISO 



lUO 



130 



120 



SO- 



SO 



@ N (M) I (K, J ^Ij H ig,' f .1' ° '£ • 'A' 



10— I 1 1 1 1 1 1 1 1 1 1 1 1 [ 1 1 1 1 T 1 ] 1 T I I r 



ISO 110 130 



FIGURE 31.— NOAA National Ocean Survey 1971 

 tracklines by Sun^pyor. Seismic profiling lines are 

 designated by solid circles at end of lines. 



~[ r 1 to 



120 



18 



