| Description | THE DUVAL CORP.'S SIERRITA MINE. THE OPEN PIT MINE IS 300 FT. DEEP AND WILL EVENTUALLY BE WORKED DOWN TO 1800 FT |
| Date | 06/1972 |
| Source | U.S. National Archives and Records Administration http://commons.wikimedia.org/ |
| Author | Keyes, Cornelius M. (Cornelius Michael), 1944-, Photographer (NARA record: 8463989) |
| Place | Tucson (Pima county, Arizona, United States, North and Central America) inhabited place (32.217°N 110.92°W; NARA geographical record) |
| Permission | Public Domain |
| Licensing | This file was provided to Wikimedia Commons by the National Archives and Records Administration as part of a cooperation project. The National Archives and Records Administration provides images depicting American and global history which are public domain or licensed under a free icense. This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright. |
From Wikimedia Commons http://commons.wikimedia.org/
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