4 i « 4 4 | _ Figure 3.18 Spheroidal fallout particle, Shot Tewa. . Crossed nicols. c Radioautograph. a. Ordinary light - db 93
4 i « 4 4 | _ Figure 3.18 Spheroidal fallout particle, Shot Tewa. . Crossed nicols. c Radioautograph. a. Ordinary light - db 93