1970 History The 1970 Montana 500 started in Helena then to Big Timber then to Laurel then to Roundup then to Lewistown then to Harlowtown then to White Sulphur Springs then to Livingston.Winner: Frank Iverson Link to Road & Track article from October 1970 Link to Rod and Custom article from October 1970 Link to Meagher County News article from July, 9th 1970 1970 Drivers Photo 1970 Montana 500 Drivers Author: