Just adding another comment to say how brilliant this film is. So atmospheric, such great music, such a grand presentation of the wild west and it's demise. It makes other westerns feel half-baked.
Good filmmakers and authors use a genre to make a specific work.
Middling filmmakers and authors make a work about a specific genre.
It's also a treat to watch Kurosawa's Seven Samurai, Yojimbo, and Sanjuro; then Leone's Dollars Trilogy; then Dirty Harry; then Woo. "The mysterious stranger" throughout the ages, indeed.