Prospect Global Resources Inc. (Prospect), formerly Triangle Castings, Inc., is an exploration-stage company engaged in the exploration and mining of natural resources. The Company is engaged in the exploration and mining of potash in the Holbrook Basin of eastern Arizona. The Company�s principal business is conducted through its investment in American West Potash LLC, pursuant to an operating agreement with The Karlsson Group, Inc. On February 11, 2011, the Company acquired Prospect Global Resources Inc. The Company�s wholly owned subsidiary is Prospect Global Operating Company, Inc.