Footage of the side of a rock face being dynamited in a quarry.
Note: The location of the events in this film are unknown.
Full titles read: "BOOM ! - A quarry goes on the bust !"
Intertitle read: "From the quarry "dentists" drill to the explosions last word - in one minute."
L/S's and M/S's of workmen with very large electrical drills, they use them to drill into the side of a rock face. M/S of man placing dynamite into one of the holes. M/S of man standing next to dynamite plunger. L/S's of large explosion at the foot of the quarry. At first nothing appears to happen then suddenly the side of the rock face collapses in a cloud of dust.