TYPICAL REFLECTION "SHOT" 

 AT SEA 



_n L, ^ 



-\^ ylW V"— ljl~"- 



7 SEC. 



DIRECT BOTToii? 

 REFLECTION 



^SURFACE REFLECTED 

 BOrtOM REFLECTION 



OCEAN FLOOR 



I ' * ..■ •'. 



z 



REFLECTING HORIZONS 

 BENEATH THE 

 OCEAN FLOOR 



I 



FIGURE ! f ♦ lU 

 REFLECTION TECHNIQUE 



17.11 



FIGURE 



SPARKER RECORD 



I 



