References Elizabeth Browne Losey, Let Them Be Remembered: The Story of the Fur Trade Forts, 1999. Arthur Morton, A History of the Canadian West to 1870–71 (London: Thomas Nelson, 1939). External links Pine Island Trading Post Protected Area at Canada's Historic Places Photograph of the historical marker Pedlars (fur trade) Hudson's Bay Company trading posts North West Company forts Forts in Saskatchewan North Saskatchewan River Islands of Saskatchewan