These are linked. Laramie (Pilot/Sherman Hill) 146.82, Cheyenne 146.775, Albin 147.165. They are linked on to Scottsbluff as well. Some DMR use gets mixed in.
NWS Southeast Wyoming Skywarn. It's a function of NWS, so not owned and operated by any particular group, but gets strong support from ARES/RACES and the EMA. Radio equipped participants come from ARES/RACES and other hams.