618 



80 



CALCULATED DEPTH 

 OF DeTONAT(ON. 



'-" eo 



40 - 



10 



O Z 4- 6 8 SECS, 



TIME UNPERWATER BEFO«e OET10N«\TION 



80 



CALCULATED DEPTH 

 OF OETONATIOH 

 FT 



60 



ao 



10 



20 SECS 



Tll-'E BETWtfN OeTONATTloH AND THE APPEARAHCE 

 OF THK PLOME THROUGH THE DOME 



F(C;.4-. EXPERIMENTAL RESULTS. 



