It was a disappointment to Canada’s biggest port a year ago when Saskatoon-headquartered Nutrien Ltd. picked Longview, Wash., 350 kilometres south of its existing export facilities in North Vancouver, as its preferred destination for a $1 billion expansion for shipping potash overseas. Since July, the port authority has also worked on developing the gateway strategy’s business case to convert two vacant port properties, the former Sterling Shipyard site on the south shore.