9 Patented claims encompassing 166 acres for sale or lease. The Rio Tinto/old Giroux property embraces 9 patented mining claims on a 166 acres adjacent to the town of Darwin, California. The Rio Tinto, Mammoth, Magnet, Mexican, Republic, Kingston and Toga 1,2 and 3. According to historical documentation from 1890-1908 mining produced Cu-Pb-Zn ...Web