• Elements
  • Designs
  • Design topics
  • Element topics
  • Boards
https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12145956

Amaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; product at this stage is about ninety-nine and one quarter percent copper by Russell Lee

View public domain image source here

More
Public DomainFree CC0 image for Personal and Business use

View CC0 License

Amaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; product at this stage is about ninety-nine and one quarter percent copper by Russell Lee

More