Charlene Hollt played in a 1966 western film based on what Harry Brown novel
El Dorado (1966 film):  Written by Leigh Brackett and loosely based on the novel "The Stars in Their Courses" by Harry Brown, the film is about a gunfighter who comes to the aid of an old friend—a drunken sheriff struggling to defend a rancher and his family against another rancher trying to steal their water.
i don't know