Arizona Mining Journal, 1919, Red Rover Copper Company quietly developed: Arizona Mining Journal, v. 3, no. 1, June, p. 63. Authors Arizona Mining Journal Publication Date 1919 Citation Arizona Mining Journal, v. 3, no. 1, June, p. 63. State AZ Province TR County MA Placenames Humboldt Mtn. area Keywords Mineral District Copper History Production More Keywords Mineral District, Copper, History, Production, AzGeoBib RefNum 450