The Boomershoot is a long range precision rifle event held near which city in Idaho, in recent years, the event has also featured an explosive fireball and an Anvil firing to start the event and entertain the participants?
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. In the UK this is where black powder is filled onto the top of the Anvil and ignited. If the Anvil did not shatter it was deemed safe to use.
Indiana gas boom The Indiana gas boom was a period of active drilling and production of natural gas in the Trenton Gas Field, in the US state of Indiana and the adjacent northwest part of Ohio. The boom began in the early 1880s and lasted into the early 20th century.