sentences:  A resolution to the matter was finally achieved with the passage of the "Canada (Ontario Boundary) Act" by the Imperial Parliament in 1889, establishing Ontario’s present western border and enabling Lyon to reassert his authority as Stipendiary Magistrate.In the autumn of 1893, after fourteen years working in Rat Portage, Lyon returned to Milton as his health was declining.He stayed in the house of his son-in-law John Wallace, Jr., where he passed away on October 18.