Factual error: During the snow scenes, after finding Look dead, first a column of soldiers cross an icy river then a column of Native Americans. The woman on the white horse is wearing sunglasses. (01:00:18)
Factual error: The movie's beginning takes place in 1868, yet all the men pack cartridge Peacemaker Colts (not available until 1873) and model 1892 Winchesters (not available unti 1892).
Factual error: In the building where the wedding nearly took place, the kerosene Aladdin lamp is likely a 1932-1933 model 100 Venetian, far from the 1868 setting of the film.
Factual error: The Mexican woman cooking in the canteen is using a modern aluminium pot.
Chosen answer: There was no cactus. A young inexperienced cavalry man, played by Patrick Wayne, constantly holds up his saber, which Ward Bond tells him to put away, before he hurts someone. After the battle, someone asks if he got injured by the Indians. Ward angrily replies "It wasn't the Indians" and looks at Patrick, who has a look of embarrassment.