TABLE OF CONTENTS General II. Iii. IV. Purpose Validity of Volcanic Climate Theory Effect of Superweapons Upon the Climate of the World A. Crater Size Produced by Superweapons B. Percent of Crater Material Present in the Atomic Cloud (1) Percent of Material Deposited on Lip or Returned to Crater (2) Particle Size Distribution in the Throw-out (3) Estimates of Particle Concentration in the Atomic Cloud from Superweapons Exploded on the Surface or Underground Summary and Conclusions VI. Vil. VIII, isodus io Recommendations Tables References ’