The Calumet Unit of Keweenaw National Historical Park focuses on the preservation and interpretation of buildings and sites associated with the former Calumet & Hecla Copper Mining Company. The U.S. Congress determined that the Calumet area was essential to telling the story of copper mining on the Keweenaw Peninsula.
Did You Know?
Keweenaw copper milling facilities were normally located along lake shorelines because they used large volumes of water in the milling process and the lakes served as a dumping site for the waste material known as stamp sand. Access to the lake also facilitated shipping and receiving of supplies. More...