"Mitchell Lake/Niagara Park a.k.a. Cariboo Mountains Park" established by Bill 53: Park Amendment Act 1995, 13 July 1995, containing 113,469 ha. more or less. Name changed to Cariboo Mountains Park per Bill 17: Protected Areas of British Columbia Act, 12 June 2000; the whole still containing 113,469 ha. more or less.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office