Continuité: The heroes pass the same large, flat, rock formation twice during the trek with supplies.
Continuité: When Laura Baile gets shot by an arrow, it is almost between her neck and her breast. Soon later, it is high in her right shoulder.
Anachronismes: Several shots of Mt. Hood reveal jet contrails across the horizon.
Erreurs dans la géographie: Near the beginning of the film, while camped very close to the base of what is obviously Mt Hood, Jimmy Stewart's character says they are heading for a place 150 miles east of Portland. Mt Hood is only 50 miles east from Portland. Not only that, but they go through Portland on their way to their settlement.
Erreurs dans la géographie: At the base of Mt Hood, the settlers are attacked by a band of Indians that the trail guide declares are Shoshone. Although there were Shoshone (Paiute) tribes in southeast Oregon, Mt Hood is in north central Oregon along the Washington border - too far to the northwest to have been on any Shoshone ground.