Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the Department of Interior publication "Ore Deposits of Nothern Yuma County, Arizona." Originally published in 1911, this important publication on Arizona Mining has not been available for over a hundred years. Included are rare insights into the gold, silver, copper and quicksilver mines of Yuma County, Arizona together with hard to find maps and photographs. Some of the mines and mining districts featured include the Planet Copper Mine, Mineral Hill, the Clara Consolidated Mine, Viati Mine,...