Jack Logan inherits half the map to a lost Indian mine and a full share of action and adventure in this 10 chapter, no-punches-pulled serial from 1931. Jack's search for the mine takes him to the Canadian Rockies, where he discovers that gangsters are also searching for the treasure and need his half-a-map to find it. Jack's companions in adventure includes pretty Helen, a local girl; her younger brother Billy; their "foster father," an Indian...