Rocky Lane's Black Jack #20

Rocky Lane pursues an outlaw gang led by a man named Hyde Burnwell across the desert with his horse Black Jack. After a confrontation where Black Jack drives into the gang to scatter them, Rocky is thrown from his horse and wounded. Though initially captured by Burnwell, Rocky escapes and Black Jack proves instrumental in tracking Crouwder, leading a skeptical sheriff and his deputies to finally capture the criminals. Black Jack's intelligence and loyalty allow Rocky to locate and defeat the outlaw gang.