Art Davis

Both Lawrence and Salter are mine owners. Salter has planted men at Lawrence's mine and when Lawrence ships his high grade ore, they switch it with Salter's worthless ore. Obtaining ore samples from both mines, Marshal Lee Powell figures out the scheme and he and his deputies Art and Bill go after the bad guys. (imdb)

Wagon trains bringing supplies are being robbed and Marshal Pat Barrett has been sent to investigate. Posing as an outlaw he gets into Buck's gang. When the Ranger Captain sends for more troops, Buck's inside man brings the message to him. Buck then plans to substitute his men for the Rangers but he tells Pat and Pat rides off to try and warn the Ranger Captain. (imdb)

Shannon wants Hank Stoner's land for the vanadium ore it contains. He has chemist Wainwright, who can change the ore into gold, held prisoner. But the Frontier Marshals are on the job.

A ring of cattle thieves uses short-wave radio to communicate with each other. A trio of range detectives must find a way to capture the gang.

Local "patriot's league" leader secretly kills off ranchers, buys up their estates, which are undermined with tin ore; Marshal and singing cowpoke team up to find villain and motive.

Barton's mine foreman is receiving gold bullion from gangsters in the East, putting it through the mine's smelter, and then shipping it out. When Barton finds out, Murdocks men make him a prisoner. Arriving at the same time, Alamo hears the story of the Masked Phantom and then becomes that Phantom fighting Murdock and his men and attempting to find Barton.