The Potash Corporation of Saskatchewan, also known as PotashCorp, was a Canadian corporation based in Saskatoon, Saskatchewan. The company merged with Calgary-based Agrium to form Nutrien, in a transaction that closed on January 1, 2018. Western Sahara Resource Watch (WSRW) issued a complaint letter to the Canadian company Nutrien on February 21, 2018 with the following facts: In 2017, we’ve tracked nine shipments from Western Sahara to Vancouver, transporting an estimated total of 529,840 tonnes of phosphate rock with a value of around US $45.5 million. In addition, we’ve observed another five shipments departing Western Sahara with destination Baton Rouge (where Potash Corp takes in its shipments), carrying a projected total of 382,000 tonnes of phosphate rock worth approx. US $34 million.