The set used for Coreyville is the set for the series Gunsmoke (1955). The Sheriff's office, the hotel and even the general store is the same set as the other series.
Jarrod leaves his suitcase in Coreyville where he dropped it when the two men grab him to throw him under the 4-up freight wagon.
Audrey Dalton played Barbara Stanwyck's daughter in the 1953 movie, Titanic.