An anvil firing and explosive fireball have been used to begin which long range precision rifle event held near Orofino, Idaho?
Boomershoot: The Boomershoot is a long range precision rifle event held near Orofino, Idaho, each year in late spring. Anvil firing: Anvil firing (also known in the USA as an "anvil launching" or an "anvil shooting") in the USA is the practice of firing an anvil into the air with gunpowder.
i don't know