KeywordsArizona Geological Survey Bulletins
Superior Mining Area
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PublisherArizona Geological Survey (Tucson, AZ)
DescriptionThe Superior mining area is in northeastern Pinal County, Arizona (Fig. 1). The area was officially organized as the Pioneer mining district but is better known as the Superior mining area. Superior, the principal settlement within the area, in 1940had a population of about 5,000,depending principally upon operations of the Magma Copper Company. The old town of Silver King, now largely deserted, was at the Silver King mine, in the northern part of the area shown on Plate 1. The Magma Arizona Railroad, 35 miles long, extends from Superior to Magma, a station on the Winkelman branch of the Southern Pacific, 9 miles west of Florence. It is maintained by the Magma Copper Company. Superior is on U.S. Highway 70, about 64 miles east of Phoenix and 20 miles west of Miami. A graveled state highway extends from Superior to Ray, 15 miles south. A graded county road 7 miles long connects Superior with Silver King. Various secondary roads lead to ranches and mines. 159 p.
Series/Report no.Bulletin No. 151|Geological Series No. 16
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Collection InformationDocuments in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact firstname.lastname@example.org.
North Bounding Coordinate33.4295
South Bounding Coordinate33.1034
West Bounding Coordinate-111.319
East Bounding Coordinate-110.874
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