Canceled! Bison Butte Clean Up – July 18th Post published:July 10, 2023 Do to the great amount of progress on the trial system at Bison Butte we no longer need the July 18th Evening clean up. We want to thank those who wanted to give their time to create a amazing venue. Tags: 2023 World Police & Fire Games, Bison Butte 2023 Read more articles Previous PostA Great Big Thank You To All the Bison Butte Volunteers Last Night!!!!