Johnson, C.H., 1935, Mining and milling methods at the Big Jim mine, Oatman, Arizona: U.S. Bureau of Mines Information Circular I.C. 6824, 13 p. Authors Johnson, C.H. Publication Date 1935 Citation U.S. Bureau of Mines Information Circular I.C. 6824, 13 p. State AZ Province BR County MO Keywords Mineral District Ore Mining Engineering More Keywords Mineral District, Ore, Mining Engineering, AzGeoBib RefNum 4962