Yellow Sky (1948)

A band of bank robbers on the run from a posse flee into the desert. Near death from lack of water they stumble into what appears to be a ghost town, only to discover an old prospector and his granddaughter living there. The robbers discover that the old man has been mining gold and set out to make a quick fortune by robbing the pair. Their plan runs foul when the gang leader, Stretch, falls for the granddaughter, which sets off a showdown between the entire gang.