Denison Mines Corp. is a uranium exploration and development company with interests focused in the Athabasca Basin region of northern Saskatchewan - including its 60% owned Wheeler River project, which hosts the high grade Phoenix and Gryphon uranium deposits. Denison also owns a 22.5% interest in the McClean Lake uranium mill, which is currently processing ore from the Cigar Lake mine under a toll milling agreement, and is the manager of Uranium Participation Corp., a publicly traded company which invests in uranium oxide and uranium hexafluoride.  Denison Environmental Services, a division of Denison Mines Inc., provides complete mine decommissioning services to industry and government. The focus is physical care and maintenance of closed and closing mining properties. Other services include consulting for new and early stage mining projects in the areas of mine site development, closure planning, closure cost evaluation and environmental permitting.