Romance of the West (1946)

Eddie Dean (Eddie Dean), along with his sidekick, Ezra (Emmett Lynn), oversees the peaceful coexistence of the Native American tribes with the white settlers of Antelope Valley. The treaty that binds the two groups is threatened when some of the town leaders learn that the Native American land contains rich deposits of silver. Eager to oust the tribes and claim the silver, the town leaders try to provoke an attack that would break the treaty. It's up to Eddie to stop them in time.