Heat and Blast Damage from a 20-Megaton Hydrogen Bomb (ground blast)
11 in HIGH x 17 in WIDE
(27.94 cm HIGH x 43.18 cm WIDE)
All Of Us Or None Archive. Gift of the Rossman Family.

Poster has an outlined map in the center of the San Francisco Bay Area. Below the map is a key for symbols like docking vessesl, nuclear transport, weapons storage, and fault lines. On the lef are small text blocks that explain what happens from a nuclear blast at different distances. They are: fireball 3-4 miles in diameter, 5 miles from blast, 10 miles from blast, 20 miles from blast, 40 miles. The bottom left corner has "For more information contact: Alameda County Nuclear Weapons Freeze/ 4042 Broadway/ Oakland, CA 94611/ 653-0317."
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