I wish I'd seen those maps! i had the refineries in my childhood bedroom window, and an air raid siren down the street (worked a treat during the tornado!)

They were great “If a 1 MT bomb landed in the centre of Grande Prairie, anything in this circle would be instantly incinerated, anything in this circle would be flattened, everyone in this circle would get an instantly lethal dose of radiation, everyone in this circle would die within one year…”