DescriptionNamed for Clarence Cromwell, this privately owned island in Flathead Lake lies just west of Wild Horse Island. Cromwell was a Dixon-area cattle rancher killed by his brother-in-law Frank Masterson on October 19, 1908; a jury found Masterson innocent of the murder, concluding that he was protecting his sister from her drunken husband. Elevation: 3,139 ft. Location: Lake CountyPersonal NamesCromwell, ClarenceMasterson, FrankContributing InstitutionMontana Historical Society Library and ArchivesGeolocation[1] Elevation3139 ft.CountyLake County
