Higgins, Edwin, 1910, Copper deposits of the Globe-Kelvin districts - III: Engineering and Mining Journal, v. 89, no. 17, p. 870-874.
Porphyry Copper
Keywords Group
Copper deposits of the Globe-Kelvin districts - III
Copper deposits of the Globe-Kelvin districts - II
Higgins, Edwin, 1910, Copper deposits of the Globe-Kelvin districts - II: Engineering and Mining Journal, v. 89, no. 16, p. 813-816.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1925, Part I - Metals
Heikes, V.C., 1928, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1925, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 563-600.
Gold, silver, copper, and lead in Arizona, in Mineral resources of the United States, 1924, Part I - Metals
Heikes, V.C., 1927, Gold, silver, copper, and lead in Arizona, in Mineral resources of the United States, 1924, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 515-548.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1923, Part I - Metals
Heikes, V.C., 1927, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1923, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 515-548.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United states, 1922, Part I - Metals
Heikes, V.C., 1925, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United states, 1922, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 489-518.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1921, Part I - Metals
Heikes, V.C., 1924, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1921, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 311-339.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1920, Part I - Metals
Heikes, V.C., 1922, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1920, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 339-364.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1919, Part I - Metals
Heikes, V.C., 1922, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1919, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 331-371.
Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1918, Part I - Metals
Heikes, V.C., 1921, Gold, silver, copper, lead, and zinc in Arizona, in Mineral resources of the United States, 1918, Part I - Metals: U.S. Geological Survey (Washington, D.C., Government Printing Office), p. 329-368.
