What is 3-7-77, associated with the Montana Vigilantes?
Dave Quinn
Carson City, Nevada
This has long been a Western historical puzzle. The Montana Vigilantes never revealed the meaning of 3-7-77, which has led to speculation about its meaning.
The most plausible explanation comes from a 1974 article in Montana: The Magazine of Western History, which suggested the numbers represented the three emigrants from Minnesota who formed the first Masonic lodge in 1862 in Virginia City; the seven Mas

True West January 2018
In This Issue:
Features
- Classic Gunfights: Don’t Look Back
- True West Best of the West Heritage Travel
- The 65 Most Important Historical Photos From the McCubbin Collection
- True West Best of the West 2018 Western Wear
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Departments
- Classic Gunfights: Don’t Look Back
- Who Was the Fastest Gun in Hollywood?
- What History Has Taught Me: Dan Harshberger
- How Was Life in Territory Prisons?
- Mining the Optics
- Who Was the Best Housekeeper in the West?
- Was Bat Masterson Run Out of Denver?
- Were Archery Contests Held Out West?
- Cheering Our Culinary Journey
- What is 3-7-77, Associated with the Montana Vigilantes?
- An Angel and the Train Man
- What Did the Actors Drink When They were Drinking “Beer” on Gunsmoke?
- The Size of an Assignment
- What’s the Story Behind the Naming of Show Low, Arizona?