They are located in Grand Junction, Colorado, and play their home games at Suplizio Field.

The Butte Copper Kings, named for the once-powerful owners of the copper mines of Butte, Montana, began play in the Pioneer League in 1978 as a co-op team with players from the Philadelphia Phillies, Oakland Athletics, Seattle Mariners, and Texas Rangers organizations as well as a few free agents.

It was sold in 1996 to the Goldklang Group in a move necessary to stem conflict-of-interest issues when Silverbow head Jim McCurdy had taken the position of President of the Pioneer League in 1994.

[6] On October 17, 2011, Grand Junction city officials unanimously approved a lease agreement to the team, making Suplizio Field home to the newly renamed Grand Junction Rockies.

[8] On November 4, 2022, the team officially announced their new name of the Grand Junction Jackalopes.