Headwaters HOtrak Module Group - Club modeling the steam/diesel transition era using NMRA compliant HO modules set up in the old UP Depot in Dillon. Located in Dillon, MT. www.beaverheadriver.com/hotrak/index.htm
The Great Falls Model Railroad Club - This club operates a large HO scale layout and is active in railfan photography and the collection, preservation, and display of railroad/train memoriabilia and historic artifacts. members.tripod.com/gfmrrc
