![[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Charging sheets of copper, produced by electrolysis, into a reverbatory furnace]. Sourced from the Library of Congress.](https://images.rawpixel.com/image_200/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIyLTA0L2xvYzIwMTc4NjQ3NjctaW1hZ2UuanBn.jpg)
https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12295794
[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Charging sheets of copper, produced by electrolysis, into a reverbatory furnace]. Sourced from the Library of Congress.
[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Charging sheets of copper, produced by electrolysis, into a reverbatory furnace]. Sourced from the Library of Congress.
View public domain image source here
Public DomainFree CCO U.S. Government image for Personal and Business use