Grand Canyon Trail (1948)

Not long after ambitious prospector J. Malcolm Vanderpool (Charles Coleman) takes an interest in the run-down remnants of a small frontier town, fortune seekers from all over rush to gain a silver mine of their own. Among these hopeful miners is cowboy Roy Rogers (Roy Rogers). But he's had little reward and debts are rising, making a buyout offer from engineer Regan (Robert Livingston) more intriguing. However, Vanderpool's secretary (Jane Frazee) suspects something is amiss in this town.