Inter-Mountain League By Kevin Reichard on November 4, 2008 in Minor-League Baseball, News Inter-Mountain League history Class D 1909 Teams (in alphabetical order) Boise Irrigators, 1909 Bozeman Irrigators, 1909 Butte Miners, 1909 Helena Senators, 1909 Livingston Mormons, 1909 Salt Lake City Mormons, 1909 Share this: Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Reddit (Opens in new window) Reddit