Higgins, Edwin, 1910, Copper deposits of the Globe-Kelvin districts - I: Engineering and Mining Journal, v. 89, no. 15, p. 769-772. Authors Higgins, Edwin Publication Date 1910 Citation Engineering and Mining Journal, v. 89, no. 15, p. 769-772. State AZ Province BR TR County GI PN Placenames Globe-Miami area Dripping Spring Mts. Ray area Superior area Keywords Mineral District Porphyry Copper Mineralization History Subsurface More Keywords Mineral District, Porphyry Copper, Mineralization, History, Subsurface, AzGeoBib RefNum 4432