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MINES AND MINERAL RESOURCES - PINAL COUNTY

The Mammoth mine at Youngsberg in the Superstition mining district, Pinal County, Arizona

Author: 
E. Tiller
Article Date: 
October 1921
Language: 
English

Magma geologist describes early days of old mines

Author: 
R. G. Willson
Article Date: 
August 27, 1961
Language: 
English

A mining report from Owl Heads Buttes

Author: 
R. E. Wilbur
Article Date: 
April 12, 1975
Language: 
English