In 1895 Pop Warner took his Iowa Agricultural College (later Iowa State University) squad to Butte, Montana for a matchup of two very strong teams.
"...
He couldn't have imagined anywhere from 3,000 to 4,000 rowdy miners and even cheerleaders firing pistols into the air any time they felt the urge to express their pleasure — or displeasure — at the events on the field.
He also wasn't ready — though perhaps he should have been — for a little home cooking from a local referee named W.H. Armstrong, who conjured up inventive ways to prevent the Cardinals (soon to be Cyclones) from scoring when they threatened to overtake the home team.
..."
And this excerpt is from a Montana apologist's take on the game.
I don't imagine the referees were intimidated at all by a crowd full of armed miners who weren't at all shy about firing their weapons when things didn't go their way.
Source:
https://406mtsports.com/406mtsports...cle_5710ece6-8205-53d2-afc0-f3d468ebfeaa.html