Atlas of Canada. "Rivers in Canada". Arkiveret fra originalen 20. maj 2006. Hentet 2007-05-01. (Webpage shows that the South Saskatchewan River has a much higher flow than the Saskatchewan River. But since the South is a tributary of the Saskatchewan River, it must be assumed that the data is reversed.)
Atlas of Canada. "Rivers in Canada". Arkiveret fra originalen 20. maj 2006. Hentet 2007-05-01. (Webpage shows that the South Saskatchewan River has a much higher flow than the Saskatchewan River. But since the South is a tributary of the Saskatchewan River, it must be assumed that the data is reversed.)