Uranerz Energy is an exploration stage company engaged in the acquisition, exploration and, if warranted, development of uranium properties and mineral resources. Uranium refers to U3O8, which is also called yellowcake, is triuranium octoxide produced from uranium deposits. Co. owns interests in properties in the Powder River Basin area of Wyoming, and is focused on the development of its properties in the Powder River Basin area into commercial in-situ recovery (ISR) uranium mines. ISR is a mining process that uses a leaching solution to dissolve uranium from sandstone uranium deposits.