Claim: In Gunfighters of the Northwest (a early 1950's American Adventure Western, set primarily in the latter half of the 19th and early 20th century) The Leader creates the White Horse Republic funded by gold from Marrow Mine.
Evidence: Gunfighters of the Northwest is a 1954 American Adventure Western Serial film directed by Spencer Gordon Bennet and Charles S. Gould and starring Jock Mahoney, Clayton Moore, Phyllis Coates, Don C. Harvey. Western is a genre of fiction set primarily in the latter half of the 19th and early 20th century in the Western United States, which is styled the "Old West". White Horse Rebels, under the command of a mystery villain known only as The Leader, attempt to create an independent "White Horse Republic" in Canada's north west. Funded by gold from the Marrow Mine, they attack Canadian settlements in the area.