Seven 1,000-ounce bars of refined silver - just a tiny portion of the 9,081,509 ounces of refined silver produced at Bunker Hill's Lead Smelter in 1967.
Taken From: The 1967 Annual Report of The Bunker Hill Company, 1968. Note: Unless otherwise noted, all graphics contained herein are believed to be in the public domain. If we have inadvertently infringed upon anyone's copyright, please notify us and we will remove the offending material. All attempts have been made to give credit to the creating agency. |
