Unity Mine

The 'Unity Mine' file is part of the G. M. Colvocoresses mining collection. Colvocoresses was a mining engineer and metallurgist in Arizona. He was General Manager of Southwest Metals Company, Humboldt, AZ. It acquired Consolidated Arizona Smelting Company by the end of 1921. In 1920, Colvocoresses was appointed receiver for Consolidated Arizona Smelting Company out of Phoenix. This collection is comprised mainly of his reports on field visits or submittals from approximately 300 Arizona properties and 100 more properties in the Southwest.

 

Resource ID: 
1986-01-0285
Resource Type: 
Document: Text
Theme Keywords: 
gold ores
metallic ores
mineral resources
mining and quarrying
natural resource assessment
reports
Place Keywords: 
United States
Arizona
Yuma County
T6N R13W Sec 8
6N13W8GAZ
Time Keywords: 
1920s
1930s
Start Date: 
1926-01-01
End Date: 
1936-12-31
Coordinates: 
Publication Date: 
2015-06-30
Contributor: 
Collection: 
G. M. Colvocoresses
Bibliographic Citation: 
Please cite by using: [a description of the item]. 1986-01-0285, G. M. Colvocoresses mining collection, Arizona Geological Survey.
Contact Phone: 
602-771-1601
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