Founded in 1875. One of fifteen Arizona counties. It is located in the center of the state, N of Pima Co., W of Gila and Graham Cos., S and E of Maricopa Co. The area is a total of 5374 square miles. The county name is believed to have derived from the Apache term for "deer."
References
Ransome, F.L. (1919), The copper deposits of Ray and Miami, Arizona, USGS PP 115.
Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami district, Arizona, USGS PP 342.
Welty, J.W., and Schnabel, Lorraine (1989) Bibliography for metallic mineral districts in Gila, Maricopa, Pinal, and Yavapai Counties, Arizona: Arizona Geological Survey Open-File Report 89-01, 121 p. [superseded by Welty, J.W., and others (1989), Arizona Geological Survey Circular 27].
Welty, J.W., DeWitt, Ed, and Schnabel, Lorraine (1989) Bibliography for metallic mineral districts in Gila, Maricopa, Pinal, and Yavapai Counties, Arizona: Arizona Geological Survey Circular 27, 81 p.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 110, 122, 257, 317, 358.
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