154 
o. O1e—Shot 102: photowraph of the * plimes ” (150 Fig. 52.--Shot 98; photograph of the “plumes” (160 feet 
Ie. photogray | } I 1 | ; 
fect hight thrown up by a 272-[b. cliargeo! Ammoninm high) thrown up by a 800-1h. charge of 40/60 Amatol 
perchlorate 34h feet below the suctace 314 feet helow the surface. 
Fic, 53 --Shot 69; photograph of the dome ~ 
(29 feet high) thrown up by a 272-Ib. charge 
of Ammonium perehlorate 345 feet below the 
surface. 
Fie. 54—-Shot 14: 209-1b, charge of 40/60 Armatol 10 feet Fic. 55.—Shot 34: photograph of the * plumes” (85 feet 
deep: the photograph shows the * plumes” beginning to high) thrown up by a 40-Ib., charge of 40/60 Amatol 
break through the * dome“ before the latter has reached 1§ feet below the surface. 
its full height: at the moment shown the upheaval is 
795 feet high, it eventually rose to 300 feet. 
AS TION 
