Factual error: As John Wayne walks back into the house after Martha Hyer drives away, the curtains on the window are seen to be flour sacks with "Gold Medal Enriched Flour" printed on them."Enriched Flour" was not created until the 1940's. (00:24:05)
Factual error: In the final gunfight in Hasting's store, John Elder fires his six-shooting Colt to a total of thirteen or fourteen times, without requiring - or doing any - reloading whatsoever.