Diamond Valley Lake (DVL) is a reservoir completed in 2002. It has two main dams, one at it's eastern end and another at it's western end. The dams are visible in this picture as the straight lines at the near side and the far side. DVL helps supply fresh water to 18 million people in southern California and holds 800,000 acre-feet (990,000,000 cubic meters) of water. In addition to be a water source and recreation area, the reservoir also supplies hydroelectric power. During construction, bones and skeletons of mastodons, mammoth, camel, sloth, dire wolf and long-horned bison were found and are now displayed in a local museum.