William MacLeod Raine 
Ridgway of Montana, a Story of To-Day, in Which the Hero is Also the Villain [EPUB ebook] 

Classic western novel, first published in 1909. ‘ Story of today, in which the hero is also the villain.’ ‘The scene is laid in the mining centers of Montana, where politics and
mining industries are the religion of the country.’ According to Wikipedia: ‘William Mac Leod Raine (1871—1954), was a British-born American novelist who wrote fictional adventure stories about the American Old West..’