BHP Billiton (BHP) poised to take $1 billion stake in Potash Corp. (T.POT): Scotia Capital By: Stockhouse Newswire April 16, 2014 at 11:07 AM EDT Any new offer may be driven by the development of the world’s largest potash mine in Saskatchewan. Read More >> Related Stocks: Agrium Bhp Billiton Ltd ADR Mosaic Co Potash Corporation of Saskatchewan