As the three horsemen rode through Trigger Bend, the lanky, sunburned Texans who thronged the town's main   street, stopped and stared curiously. They saw a tall man, who wore a black mask, and silver mounted six guns, sitting easily astride a powerful, white stallion. It was the Lone Ranger, of course, with Tonto, and his nephew, Dan, and they were headed to Mustang Mag's place, where there was a surprise waiting for Dan...