JULY 31ST, 1976-After a thunderstorm drops 10 in (254 mm) of rain within four hours into two tributaries of the Thompson River, a flash flood in the Thompson Canyon, in northeast Colorado, drowns 139 campers; five others are reported missing as losses climb to $35.5 million. Helicopters lift nearly 1,000 other victims to safety.
Rise 6:24AM
Set 8:23PM