Melbourne-BHP Billiton Canada Inc. said March 23 that it has completed the previously announced acquisition (GM Feb. 1, p. 1) of all the issued and outstanding common shares of Athabasca Potash Inc. for C$8.35 per common share, or C$341 million. The deal provides BHP with 100 percent control of the Burr project and various additional potash exploration properties in Saskatchewan. BHP says it now has access to more than 14,000 km2 of prospective exploration ground in the world-class Saskatchewan potash basin. BHP has filed an application with the Toronto Stock Exchange to delist the API common shares.