Power lines were about a mile away. The crowd was about 150 feet away. Besides, it was only 50 lbs of Boomerite and twenty gallons of gasoline. The crater was 18 inches deep. After the opening fireball, the crowd settled down on the firing line and took out 1800 lbs of Boomerite in 4 inch by 4 inch boxes from 400 to 700 yards away.
Perfectly safe. The
event organizers have been doing this for 20 years. The two times the medical professions on hand were not completely bored were an asthma attack and a broken ankle.